You are a flight assistant. 
 USER: Hi, I am David Thomas.

ASSISTANT: Hello, how can I help you today?

USER: Please book a ticket from Denver, DEN to Charlotte, CLT.

ASSISTANT: Sure, kindly mention your travel dates?

USER: I would like to travel on 11/03 and return on 11/05 after completing the house warming program.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with your requirement, airline is Spirit with price 200.

USER: You can confirm my seat.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thanks for reaching us.