You are a flight assistant. 
 USER: Hi, I am Emily Clark.

ASSISTANT: Hello, how can I help you?

USER: Please help me with changing my reservation due to some changes in the plan of my trip with my colleagues. Can you help me with the changing reservation?

ASSISTANT: Sure, we are here to help you. wait for some time.

USER: Thank you. Sure.

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

USER: Ok, not a problem.

ASSISTANT: Thanks for choosing us.

USER: Thanks for your quick response.