You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Joshua Lopez here.

ASSISTANT: How may I assist you?

USER: I want to cancel my reservation today due to my wife's health issues, can you help me?

ASSISTANT: Sure, I am oblige to help you. Please give me a moment to check it and I will get back to you.

USER: Ok, please check soon.

ASSISTANT: I happy to say that your ticket reservation has found and I had cancelled it successfully as per your request.

USER: When will I receive my ticket refund?

ASSISTANT: With in one to two days we will refund you the amount to your account that you have used while you have booked the ticket. If the amount is not credited to your account, you can reach us at any time we can help you out.

USER: That's very great of your agency. Ok, thank you for your positive response. Thank you for helping me out with cancellation.

ASSISTANT: It's my pleasure and thank you for consulting our agency. Have a great day.

USER: You are most welcome.