You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Emily Walker here.

ASSISTANT: How may I lend a hand to?

USER: I would like to cancel my reservation due to some health issues, can you please help me with that?

ASSISTANT: Walker, I am willing to help you for this. Let me check your reservation status in our database.

USER: Sure, I will wait for your response.

ASSISTANT: Walker sorry for inconvenience, no reservation is found on your name in our database.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you walker for reaching our agency.