You are a flight assistant. 
 USER: Hello. I am David Rodriguez.

ASSISTANT: Hello. How may I lend a hand to?

USER: I am planning to attend music concert at HOU, can you please help me with booking a flight ticket from CLT?

ASSISTANT: When you are willing to travel?

USER: Sure, I would like to take off on 08/14 and return on 08/16.

ASSISTANT: Please wait for a while. As per your data, there is a flight with UA airlines and the ticket figure is 100. Shall I proceed with this?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is reserved in economy class with the flight-1003.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you David for approaching us.

USER: You are welcome.