You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I provide assistance to you?

USER: There is a emergency at my home town, can you please help me to modify my recent reservation as I have to reach my place early?

ASSISTANT: Sure, we are glad to help you to change it.

USER: Thank you.

ASSISTANT: Let me know your name, to check with your recent reservation.

USER: I am Samantha Parker.

ASSISTANT: Ok, please wait for sometime.

USER: Sure, take your time.

ASSISTANT: Thanks for being patient, there was no reservation found on your name to change it.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for approaching us.