You are a flight assistant. 
 USER: Hello, My name is Mary Johnson.

ASSISTANT: Hello Mary. What can I do for you?

USER: As my wife delivered a baby boy few days before the given date of delivery, I would like to stay with her for few more days. Can you help me to cancel my existing reservation?

ASSISTANT: Sure, I can help you better.

USER: Excellent.

ASSISTANT: Just wait a minute, I will check your reservation and revert you.

USER: OK.

ASSISTANT: We have searched in our database, it shows no reservation found on your name.

USER: Thank you, For your timely response.

ASSISTANT: Thanks for contacting us, have a nice day.