You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: This is Brandon Hall.

ASSISTANT: Nice to meet you Hall.

USER: Due to the cancellation of my matches, I want to change my existing reservation.

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: Thanks for waiting. Hall, there is no reservation found on this name, do you want to make a new booking from us?

USER: That's ok. I didn't plan any trips as of now. Thank you for the great service.

ASSISTANT: It's my pleasure.