You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

USER: I am Dorothy Davis. Can you help me in booking my flight ticket for a round trip?

ASSISTANT: Sure, please provide your travelling dates?

USER: My travelling dates will be Mar 17 to Mar 19.

ASSISTANT: Ok, may I know your airport code?

USER: My airport code is SFO.

ASSISTANT: Do you need any halt in between the journey?

USER: I need a connecting flight.

ASSISTANT: We found a Delta airline with fare of 200 and a halt in between the journey matches your schedule. Shall I proceed with booking?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1029.

USER: Thank you.

ASSISTANT: Thank you for reaching us.