You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I have to change my flight ticket booking done on my name Amanda Smith, can you please help me in that one?

ASSISTANT: Sure, I am glad to help you with that.

USER: Thank you.

ASSISTANT: Sorry for the trouble, I have not found any reservation on your name to modify the details.

USER: Ok, not an issue with that one. Thank you for your help.

ASSISTANT: It's my pleasure, thank you for contacting with our travel agency.

USER: Welcome.