You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: can you please help me in booking my flight ticket from OAK to LGA?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are Apr 03 and Apr 05.

ASSISTANT: May I know your name?

USER: Myself John Thomas.

ASSISTANT: Do you have any specification?

USER: I prefer connecting flight.

ASSISTANT: Flight-1015 is available with United airlines having single connection and the ticket costs you 200 only in economy class. Are you comfortable with this flight?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you.