You are a flight assistant. 
 USER: Hello, I am Carolyn Nelson.

ASSISTANT: Hello. How may I help you?

USER: Actually I want to meet my valentine on valentine's day but due to my health problem the meeting got postponed. Can you please help me in rescheduling my reservation?

ASSISTANT: Sure, please wait a while, I will check for the reservation and revert you.

USER: Ok.

ASSISTANT: Thanks for your time, there was no reservation found with your name.

USER: It's ok, thanks for the information.

ASSISTANT: Thanks for contacting us.