You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be in your service?

USER: My name is Stephanie Thomas. Owing an emergency, I want to cancel my reservation. Can you help me for that?

ASSISTANT: Ok, I will assist you with that. Please wait a moment I will check with the reservation records.

USER: Thank you. I will wait for your response.

ASSISTANT: Thank you for waiting, sorry to inform there is no reservation been found in our records.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for availing our service.

USER: Welcome.