You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Margaret Miller here.

ASSISTANT: What can I do for you today?

USER: I want to cancel my recent reservation due to the climate, will you help me?

ASSISTANT: Margaret Miller, can you wait till I check.

USER: Sure.

ASSISTANT: No reservation found by your name.

USER: It's ok. Thank you.

ASSISTANT: Thanks for reaching us.