You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What kind of assistance you are looking for?

USER: Owing to an emergency, my planned trip to Navajo adventure with my college friends got cancelled. So I request you to cancel my existing reservation.

ASSISTANT: Sure. To cancel the reservation, may I have your name?

USER: Sure, I have a existing reservation with name Michelle Thompson.

ASSISTANT: Thanks for your name. Please standby, I will check and get you back.

USER: Sure.

ASSISTANT: Thanks for waiting. I tried but there was no reservation on your name to cancel.

USER: Ok, no worries at all. Thank you for your assistance.

ASSISTANT: Thanks for your time with us.