You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I lend a hand to?

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

ASSISTANT: For changing the reservation. May I know your name?

USER: Sure, my name is Pamela Miller.

ASSISTANT: Miller, let me check your reservation status in our database.

USER: Ok.

ASSISTANT: Miller sorry for inconvenience, no reservation is found on your name in our records.

USER: That's ok, thank you.

ASSISTANT: Thank you Miller for contacting us.