You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Christopher Lopez.

ASSISTANT: Ok.

USER: I need to book a ticket from New York with fare of 500. Could you please help me in doing that?

ASSISTANT: Sure, I am here to assist you. May I know your travel dates that you have planned?

USER: My travelling dates are 09/15 and return on 09/17.

ASSISTANT: Where you need to catch the flight and land?

USER: My airport codes are New York, NY-LGA and San Francisco, CA-SFO.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: Thanks for your time. There is a connecting flight with price of 200 and 1028 flight number. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your booking has been confirmed with Frontier airline.

USER: Thank you.

ASSISTANT: Thank you for reaching us.