You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can you please tell me how may I help you?

USER: My name is Betty Lopez, can you help me to cancel the reservation I had done recently as I did not get the leaves for that trip. So I can not go, can you help?

ASSISTANT: Sure, I am here to help you with the ticket cancellation.

USER: Thank you for the positive response.

ASSISTANT: Ok, please give me sometime to check your ticket status.

USER: Ok, I will wait for your response.

ASSISTANT: I regret to tell you that, there is no active reservation found with your name in our portal to cancel.

USER: That is not a problem. I will check with my mails for more information. Thank you for assisting me.

ASSISTANT: You are welcome. Thank you for choosing our agency.