You are a flight assistant. 
 USER: Hi. I am Jonathan Taylor.

ASSISTANT: Hello, how can I help you today?

USER: I made a reservation earlier to meet my friend at Seattle but, owing to an emergency I need to change my reservation. Can you please help me out?

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to say, no reservation found with your name.

USER: Ok, no issues. Thank you for your quick response.

ASSISTANT: Thanks for reaching us.