You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Due to some bank issues, I was postponed my shopping.So can you please help me to change an existing reservation?

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

USER: My name is Patrick Thompson.

ASSISTANT: We found a reservation on your name. May I know your new travelling dates?

USER: My new journey dates are from 06/13 to 06/15.

ASSISTANT: Let me know your airport codes please?

USER: My journey codes are from NY-LGA to TX-HOU.

ASSISTANT: Thanks for giving your details, we found a flight on your details with airline UA, flight number: 1017. Shall I proceed for booking?

USER: Ok, you can proceed for booking.

ASSISTANT: Your ticket has been booked with single connection.

USER: Thanks for your information.

ASSISTANT: Thanks for choosing us. Have a nice day.