You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I had planned to go on a trip, but it was postponed due to some reasons. Can you change my recent reservation?

ASSISTANT: May I know your name please?

USER: I am Katherine Hernandez.

ASSISTANT: Give me a while.

USER: Ok.

ASSISTANT: May I know your travel dates please.

USER: I want to travel in the flight on Dec 03 and Dec 05.

ASSISTANT: Do you have any class preferences?

USER: I prefer economy class.

ASSISTANT: Do you have any connection preferences?

USER: I want to have a connection of 1.

ASSISTANT: Can you please share your travel locations?

USER: I want to fly from HOU to LAS.

ASSISTANT: Is there any other concern?

USER: No.

ASSISTANT: Give me a while.

USER: Ok, take your time.

ASSISTANT: Hawaiian airlines is providing connecting flight on this route, in economy class and fare of 100, shall I book a ticket?

USER: Proceed to booking.

ASSISTANT: Your booking is successfully done with flight number 1023.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.