You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Please help me to change my reservation.

ASSISTANT: May I know your name please?

USER: I am Brian Wright.

ASSISTANT: May I know your preferred travel dates please, there is reservation on your name?

USER: My travelling dates are on Nov 04 and Nov 06.

ASSISTANT: Can I know your desired airport codes please?

USER: My source is PHL and destination is SFO.

ASSISTANT: Do you have any specifications?

USER: I need single stopover in between journey.

ASSISTANT: There is a flight with connection limit 1 and fare 200, shall I proceed for booking?

USER: You can proceed.

ASSISTANT: Your ticket is booked, flight number 1010 with Hawaiian Airlines.

USER: Thank you.

ASSISTANT: Thank you for opting us.