You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am looking to modify the trip dates in the recent ticket, could you please help me to do that?

ASSISTANT: Sure, please wait for a while.

USER: Ok, take your time and check the ticket status under the name Timothy Jones.

ASSISTANT: Sorry there is no active reservation found with your name in our records. Can I know your name?

USER: It's ok, not a problem with that. My name is Timothy Jones.

ASSISTANT: Ok, thank you for approaching us.

USER: You are welcome.