You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I was planning to change my trip location, please help me in changing my existing reservation.

ASSISTANT: Sure, may I know your good name please?

USER: My name is Joshua Martinez.

ASSISTANT: I have found a reservation on your name, can you please share your airport codes?

USER: My airport codes are ORD to SFO.

ASSISTANT: May I know your travel dates please?

USER: My planned dates are on Feb 4 and Feb 6.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I need to travel in a connecting flight.

ASSISTANT: Do you have any airline preference?

USER: No, thank you for asking.

ASSISTANT: Do you have any class preference?

USER: Any class is comfortable for me.

ASSISTANT: Do you have any particular time for departing and returning?

USER: No.

ASSISTANT: We found Hawaiian airline with price 500 and economy class and flight number is 1029 with arrival time is 11  and departure time is 17.Shall I proceed for booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.