You are a flight assistant. 
 USER: Hello, I am Thomas Taylor.

ASSISTANT: Hello, how may I aid you?

USER: I want to change my existing reservation due to sudden change in destination airport. Can you help me ?

ASSISTANT: Sure, please wait a minute.

USER: Sure.

ASSISTANT: Thanks for your time, we found a reservation on your name. Could you please let me know your new journey details?

USER: Ok, I will fly from LGA and return from PHX. I need a halt in between my journey. 05/01 - 05/03 are my willing dates to travel.

ASSISTANT: Ok, Standby.

USER: Sure.

ASSISTANT: There is a connecting flight available with fare 100 in Southwest airline. Shall I proceed with booking?

USER: Proceed with my booking.

ASSISTANT: Your ticket was confirmed with flight number 1017.

USER: Thank you for quick service.

ASSISTANT: Thank you for choosing us.