You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I render you?

USER: Owing to an emergency I had to request for this change reservation. Can you please help me to change an existing reservation?

ASSISTANT: Sure, I can help you with that. May i know your name please?

USER: Susan Baker is my name.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for your time. There was no reservation found on your given name in airline data.

USER: That's not a problem.

ASSISTANT: Thank you for opting our service.

USER: Thanks for your kind information.

ASSISTANT: Have a pleasant day.