You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

USER: I am John Rodriguez.

ASSISTANT: Nice meeting you John.

USER: Thanks, nice to meet you too. I want to go Seattle next month for my film shooting purpose, can you please book a flight ticket for me?

ASSISTANT: Sure, I am oblige to help you. Can you please provide your planned dates of travelling?

USER: Thank you, I want to take off on 11/26 and book my return ticket also on 11/28.

ASSISTANT: Ok, may I know your origin and destination airport codes for booking?

USER: I want to fly from DFW and destination airport is SEA.

ASSISTANT: Thank you for providing your travel details. I will put the conversation on hold to check the best flights available in your route.

USER: Ok.

ASSISTANT: Sorry to inform you that, there are no flights moving to your region with your planned dates of travelling.

USER: Oh! It's ok no problem, I will go with another airline service.

ASSISTANT: Thank you for approaching us, have a great day.

USER: Thank you for your service.

ASSISTANT: Welcome.