You are a flight assistant. 
 USER: Hello. Susan Thomas here.

ASSISTANT: Hello, how may I assist you? Yes, Thomas.

USER: There is a cycling event in ATL, can you please book me a ticket from DCA?

ASSISTANT: Sure, may I know your planned dates of travelling?

USER: My travelling dates are from 05/27 to 05/29. Make sure that there is 1 connection limit.

ASSISTANT: Please, wait a moment let me check the availability of flight.

USER: Ok.

ASSISTANT: Here we found a flight with Delta airline, and flight number is 1007. Can I proceed it?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been booked successfully.

USER: Thank you for your help.

ASSISTANT: Hope you enjoy our service.