You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I render you at this moment?

USER: I am Edward Thompson. I am planning to change my reservation to another destination, so can you help me to change my reservation?

ASSISTANT: Sure, please wait for few minutes.

USER: Ok.

ASSISTANT: There is no existing reservation found on your name in our records.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.