You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I have to attend an important meeting in the office, so I have to change my trip dates. Can you please help me to modify the travel dates?

ASSISTANT: Sure, may I know your name?

USER: Thank you. My name is Nicole Adams.

ASSISTANT: Give me a minute for checking.

USER: Ok. I will wait for a minute. Take your time.

ASSISTANT: Sorry, there is no active reservation found under your name.

USER: It's ok, I think the ticket is not reserved properly. Thank you for your time in checking my ticket status.

ASSISTANT: Thank you for reaching us.