You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: I want to reschedule my recent reservation as my interview got postponed. Can you help me in changing?

ASSISTANT: Sure, for proceeding further I need to know your name?

USER: Sure, my name is Jessica Smith.

ASSISTANT: Please wait a moment I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, sorry to inform you that there is no reservation found against your name.

USER: Ok, no issues.

ASSISTANT: Thanks for picking us.

USER: Thanks for your quick response.