You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Owing to have an  emergency operation to my friend, I want to change the reservation date of my friend. Could you help me in this with the name of Debra Wright?

ASSISTANT: Sure. Wait for some time.

USER: Ok.

ASSISTANT: Thanks for waiting there was no reservations found on your name.

USER: Not an issue.

ASSISTANT: Thanks for choosing us.

USER: Thank you for your assistance.