You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Sarah Carter. Can you help me in booking from Denver, DEN to Atlanta, ATL?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your travel dates?

USER: My journey dates are from 11/20 to 11/22.

ASSISTANT: We found a flight on your details with airline Southwest, flight number: 1011. Shall I book this ticket?

USER: Ok, You can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.