You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Edward Martin.

ASSISTANT: Thank you for providing your name.

USER: As I planned for a tour earlier but now I would like to change my journey.

ASSISTANT: Ok.

USER: Can you help me in changing my reservation?

ASSISTANT: Sure, we are here to help you. Give me a minute.

USER: Sure.

ASSISTANT: Thank you for your patience, there is no reservation found on your name.

USER: Not a problem. Thank you for your assistance.

ASSISTANT: Thank you for reaching us, have a great day.