You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Dorothy Lewis. I want to book a flight ticket on 11/20 and return on 11/22, can you help me with booking?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: Yes, my airport codes are CA-SFO and NY-LGA.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks fpor waiting, we found a connecting flight with fare of 100 in JetBlue airline. Shall I proceed for booking?

USER: Yes, please.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for contacting us.