You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Andrew Hernandez.

ASSISTANT: How may I be of assistance to you?

USER: Yes, I am seeking your assistance for the flight ticket booking. Can you guide me?

ASSISTANT: Sure Andrew, it's my job. I need some information regarding your voyage details, can you please provide it?

USER: Yes, that is so good to hear from you. What kind of information you need from me?

ASSISTANT: Thank you for your co-operation, may I please know your location airport code from which you have planned to start your trip?

USER: My pleasure. I had planned to start my journey from Austin, TX - AUS.

ASSISTANT: Ok, to which place you are willing to travel?

USER: As I have a concert in Seattle which I must go and the airport code is WA - SEA.

ASSISTANT: Have you planned for one-way trip or return too, may I please know it?

USER: Yes, I have planned two way trip. I want to fly on 04/27 and my return day is 04/29 as per my plan.

ASSISTANT: Ok, all your voyage details are been noted. Please wait for a while so that I can check for the flight availability.

USER: Yes, I can understand the need. Please take your own time.

ASSISTANT: Actually, April is a season month. So, I'm unable to find a flight for your trip to reserve it.

USER: That's ok, it is not a muddle for me. There is another way in my mind to complete my trip. Thank you for your expeditious service.

ASSISTANT: Sorry for the inconvenience. Anyways, thank you for connecting with us and take care.