You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,.

USER: My name is Sharon Anderson.

ASSISTANT: How may I be of your helping hand?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you assist me with this?

ASSISTANT: Sure, we are here to assist you.

USER: Thank you.

ASSISTANT: Please standby, let me check the reservation list and get back to you with the information.

USER: Sure, I will wait.

ASSISTANT: Thanks for your time.

USER: My pleasure.

ASSISTANT:  I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: That's ok, not a problem. Thanks for your kind response.

ASSISTANT: Thanks for opting us. Have a good day.