You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I was planning to visit to Houston, but due to my health issues, I will be cancelling my reservation. Can you help me?

ASSISTANT: Sure, we are blissful to help you.

USER: Thank you.

ASSISTANT: Can you please mention your name to proceed?

USER: Sure, my name is Jeffrey Turner.

ASSISTANT: Ok, please hold a moment.

USER: Ok, take your time.

ASSISTANT: Thanks for your time, sorry, unfortunately no reservation found on your name.

USER: Oh! That's very sad to hear from you. Anyways, thank you for assisting me.

ASSISTANT: Thanks for reaching us, have a great day.

USER: You are most welcome.