You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Susan Thomas.

ASSISTANT: How may I aid you?

USER: Can you help to change my reservation to another destination?

ASSISTANT: Sure, I am here to help you. Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: Sorry Susan, there is no reservation found on your name in our database.

USER: Ok, no issues with that. Thank you for your information.

ASSISTANT: Thank you for approaching us.