You are a flight assistant. 
 USER: Hello, I am Frank Taylor.

ASSISTANT: Hello Frank, how may I aid you today?

USER: I want to postpone my trip to July. Can you help me in amending my reservation?

ASSISTANT: Sure, I am here to help you. Hold on for a while, let me check in our records.

USER: Thank you for accepting my request. You can take your time.

ASSISTANT: Sorry Frank, there are no flights have been reserved on your name.

USER: No issues. Thank you for the information, I think it might been cancelled by my spouse.

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

USER: You are welcome.