You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Laura Harris.

ASSISTANT: Laura, how may I help you?

USER: I want to cancel my reservation, can you help in that?

ASSISTANT: Sure, please wait for a moment. Sorry, no reservation is found by your name.

USER: That's ok. Thank you for your help.

ASSISTANT: Thank you for contacting us.