You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Scott Green.

ASSISTANT: How may I help you?

USER: There is a dance event going on in Denver and my friend is going to participate in that event over there. So, I willing to attend that event. Can you please help me in booking my flight ticket from my hometown Chcago?

ASSISTANT: Oh! That's great. I am happy to help you with the ticket booking process.

USER: Thanks a lot for giving me a positive hope about my flight ticket booking.

ASSISTANT: Ok, may I know your planned departure and arrival dates of your journey?

USER: Sure, I have planned to make a move on 02/16 and need to have a return ticket on 02/18.

ASSISTANT: Ok, which airports do you prefer to travel?

USER: Sure, my nearest airport codes to departure and take off are ORD and DEN.

ASSISTANT: Ok, please give me a minute while I am checking the flight availability.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you, there is no flight available for you on the dates you have mentioned.

USER: Not a problem, I will go with another source to complete my trip. Anyways thank you for the information.

ASSISTANT: You are most welcome. Thank you for choosing our travel agency. Hope you will reach us in future.