You are a flight assistant. 
 USER: Hello, I am Sarah Walker.

ASSISTANT: Hello, how can I assist you?

USER: I need to fly Atlanta, could you please help me in booking from IAD to ATL?

ASSISTANT: Sure, when are you planning to travel?

USER: My journey dates are 06/01 and 06/03.

ASSISTANT: Let me know your specifications?

USER: I need a halt in my journey within 200.

ASSISTANT: Southwest airlines with single connection and price is 100 of 1019 flight.

USER: Ok, proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.