You are a flight assistant. 
 USER: Hello. I am Emma Smith.

ASSISTANT: Hello, how can I be your guide for today Emma?

USER: I want to postpone my trip due to an emergency. Can you aid me?

ASSISTANT: I am here to help you about that.

USER: Thank you.

ASSISTANT: Please be on hold for sometime to check the reservation status with your name.

USER: Take your time.

ASSISTANT: Sorry to say this Emma, there are no active reservations with your name to change your reservation.

USER: No issues. Thank you for checking.

ASSISTANT: You are welcome, thank you for reaching out here. Hope you have a nice day ahead.

USER: You are welcome.