You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sharon Wright.

ASSISTANT: How may I render you?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, wait a moment.

USER: Ok.

ASSISTANT: Thanks for your patience, I couldn't find any reservation with your name.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thanks for consulting us.