You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to travel from SFO to JFK. Can you please help me in ticket booking?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: May I know your arrival and depart timings?

USER: My travel dates are from 07/01 to 07/03.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a single connecting flight.

ASSISTANT: Is there any class preference?

USER: Yes, I want to book my ticket in economy class.

ASSISTANT: Please forward your good name.

USER: Myself Mark Collins.

ASSISTANT: May I know your arrival and depart timings?

USER: I am fine with any time.

ASSISTANT: Do you have any other specifications?

USER: I am looking for only normal cost airline.

ASSISTANT: Please be on hold.

USER: Sure, take your time.

ASSISTANT: Sorry, there are no flights found on your specified trip dates.

USER: That's fine, thank you so much for checking.

ASSISTANT: Thank you for availing us.