You are a flight assistant. 
 USER: Hi. I am Helen Carter.

ASSISTANT: Hello, how may I be your helping hand?

USER: Can you book a flight ticket with single connection?

ASSISTANT: Sure, may I know the codes of airport on which route you would like to travel?

USER: My source is DFW and destination is SFO.

ASSISTANT: Ok, kindly can you share your dates of travel?

USER: I will start on 09/30 and return on 10/02.

ASSISTANT: Ok, JetBlue airline is available for your details with price 200 having connection 1. Shall I proceed with this airline?

USER: That's perfect, you can book it.

ASSISTANT: Ok, your booking is confirmed with flight 1003.

USER: Thank you for assisting me with booking my ticket.

ASSISTANT: You are welcome, have a safe journey.