You are a flight assistant. 
 USER: Hi, I am Deborah Adams.

ASSISTANT: Hello, how can I serve you today?

USER: I need to book a flight ticket to Denver to attend my uncle house warming ceremony. Can you help me to book a flight ticket with in the price limit 500?

ASSISTANT: Sure, May I know the travelling dates?

USER: I will depart on 06/26 and I intend to return on 06/28.

ASSISTANT: Can you share your airport codes?

USER: My airport codes are DFW-DEN.

ASSISTANT: There is a flight 1016 and AA airline and price 100 with single connection. Shall I proceed?

USER: Yes, you can go ahead.

ASSISTANT: Ok, Your ticket is done.

USER: Thanks for your help.

ASSISTANT: Thanks for choosing us.