You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I oblige you?

USER: I would like to cancel my recent reservation, my baseball tournament has been rescheduled to future dates. Can you help me with that?

ASSISTANT: Sure, may I have your name please?

USER: My name is Rachel Hill.

ASSISTANT: Ok, please wait a while, I will check the reservation list and get back to you.

USER: Ok, I will be waiting.

ASSISTANT: Thanks for your time, no reservation was found in our database.

USER: No worries at all, thank you for your information.

ASSISTANT: Thank you for choosing us.