You are a flight assistant. 
 USER: Hello, I am Debra Wright.

ASSISTANT: Hello Debra, how may I assist you?

USER: I want to postpone my trip to November due to an emergency. Can you help me to rescheduling the reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Hold on for a moment. Let me check your current ticket status.

USER: Sure, you can take your own time to check. I will wait for your response.

ASSISTANT: Sorry Wright, there are no flights reserved on your name formerly.

USER: No issues. Thank you for checking.

ASSISTANT: Welcome, thank you for choosing us. Have a good day.

USER: You are welcome.