You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Dennis Campbell, can you help me to reschedule my reservation?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Wait for some time.

USER: Take your time.

ASSISTANT: Thanks for waiting there was no reservations found on your name.

USER: No issues. Thank you for checking.

ASSISTANT: Thanks for connecting us.

USER: You are welcome.