You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you today?

USER: As earlier I have reserved a ticket for red rock adventure including jeep tour with the name Michelle Parker which got postponed, so I want to reschedule my reservation. Can you please help me with changing my existing reservation?

ASSISTANT: Sure, we are happy to assist you. Please give me a moment, so that I can check the present status and get back to you.

USER: Sure, take your own time.

ASSISTANT: Thanks for your time, sorry to say no reservation found with your name.

USER: That's fine, thank you for the response.

ASSISTANT: Thanks for opting us, have a good day.