You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Jacob Adams.

ASSISTANT: How can I aid you at this moment?

USER: I need your help in changing my reservation, due to some postponed dates in my business meeting. Can you help me in changing my reservation?

ASSISTANT: Sure, I can help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment, I will check your reservation status.

USER: Ok, I will wait for your response.

ASSISTANT: There is no previous reservation available in your name.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for contacting us, have a nice day.