You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what help are you expecting from our service?

USER: Can you book a flight ticket for me to New York on 01/27?

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

USER: I would like to go from SFO airport and land on JFK airport.

ASSISTANT: Ok, do you want to book a return ticket?

USER: Sure, I need a return ticket on 01/29.

ASSISTANT: Meanwhile may I know your good name please?

USER: Sure, my name is Edward Turner.

ASSISTANT: Yes Edward, there is a flight available for you from Frontier airlines which matches with all your details. Shall I confirm your booking?

USER: Ok, book it for me if connection limit is 1.

ASSISTANT: Sorry, there is no flight available for you with connection 1.

USER: Ok, then don't proceed with the booking. Thank you for checking.

ASSISTANT: You are welcome. Have a good  day.