You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to change my recent reservation, As I have to go for a meeting with another client on same day of journey. Can you help me with this?

ASSISTANT: Sure, we are here to help you. May I know your name?

USER: Jacob White here.

ASSISTANT: Ok, wait for a while I will check the reservations on your name and get back to you.

USER: Sure.

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

USER: It's ok, anyway thanks for your information.

ASSISTANT: Thanks for choosing us.