You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Janet Lee.

ASSISTANT: How can I assist you?

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

ASSISTANT: Sure, I can help you with that. Please be on hold.

USER: Sure.

ASSISTANT: Janet, there is no reservation found under your name to do changes in that.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for reaching us.