You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me out in changing my recent reservation? As my health is not good to do journeys right now.

ASSISTANT: Sure, may I know your name please to proceed further?

USER: Sure, my name is Janet Baker.

ASSISTANT: Baker, there is no reservation found with your details.

USER: OhI May be something went wrong while I was doing my reservation. Thank you for your service anyways.

ASSISTANT: Thank you for choosing us, have a good day.