You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What service do you need from our travel agency?

USER: Andrew Gonzalez here.

ASSISTANT: Good Afternoon Andrew Gonzalez.

USER: I was planning to stay in Chicago for few more days, so can you please cancel my reservation for now?

ASSISTANT: Sure, I am glad to assist you with the ticket cancellation.

USER: Thank you for your positive response.

ASSISTANT: Can you please wait a minute? So that, I can check your ticket status.

USER: Ok, take your time to check with my existing reservation.

ASSISTANT: Thank you for waiting.

USER: No issues.

ASSISTANT: I am really happy to inform you, I have found your ticket reservation in our records and successfully cancelled your ticket.

USER: That's great of you. Anyways, thank you for assisting me.

ASSISTANT: You are most welcome. If you want to book the new ticket for your future trips, please contact our travel agency.

USER: You are most welcome.

ASSISTANT: Thank you.