You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I be at your service for the day?

USER: Help me in changing the reservation, as I have an emergency work to attend.

ASSISTANT: Ok.

USER: My previous reservation was in the name of Nicole Davis. Will you help me in this?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT:  Give a minute, I will check the previous list and let you know the details of it.

USER: Sure.

ASSISTANT: Thank you for your valuable time.

USER: Ok.

ASSISTANT: No reservation found on your name.

USER: Fine. Thank you for your support to me.

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