You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Alexander Taylor.

ASSISTANT: How can I help you?

USER: My holiday trip has been postponed. So, I would like to cancel my reservation. Can you please help me with that?

ASSISTANT: Sure, I'll help you in that. Please be on hold.

USER: Sure, take your time.

ASSISTANT: There is no reservation found under your name to do cancellation.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.