You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in changing my recent reservation? As my planned trip has been postponed to some other dates.

ASSISTANT: Ok, let me know your name to check your reservation status.

USER: Sure, my name is Ryan Adams.

ASSISTANT: Thanks for giving your name, please wait a moment.

USER: Sure, I'll wait for your response.

ASSISTANT: Ryan Adams, there is no reservation found under your name to change your reservation.

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

ASSISTANT: Thanks for consulting us.