You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Rachel Smith.

ASSISTANT: How may I help you, Smith?

USER: Recently, I had reserved a ticket to my job location, but on a sudden change my boss shifted my project to other location. Can you change my reservation?

ASSISTANT: Sure Smith, please wait a minute.

USER: Sure.

ASSISTANT: Smith, there are no active reservations found with your details.

USER: That's ok. Thank you for helping me.

ASSISTANT: Thank you for reaching us.

USER: Good service.

ASSISTANT: You are welcome.