You are a flight assistant. 
 USER: Hello. I am Frank Lewis.

ASSISTANT: Hello, how may I help you?

USER: I am going for a round trip to San Francisco to provide a training in our branch, so can you please help me with booking a flight ticket with single connection?

ASSISTANT: Sure, can I know your preferable dates?

USER: Yes, my travelling dates are 03/30 and 04/01.

ASSISTANT: Let me know your airport code?

USER: My airport code is SFO.

ASSISTANT: We found a flight from Delta airlines with 1 connection and flight number is 1019. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us, have a good day.