You are a flight assistant. 
 USER: Hello. My name is Timothy Allen.

ASSISTANT: Hello Timothy Allen, how may I help you?

USER: I want to attend my friend's marriage, can you help me in booking the ticket?

ASSISTANT: Sure, provide me your travelling dates?

USER: It's from CLT to PHL. The dates are from 04/24 to 04/26.

ASSISTANT: Ok, just hold on.

USER: Ok.

ASSISTANT: There is a flight available for you with flight number 1011 from Delta airline. Do you like me to proceed further?

USER: Please book the ticket.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for helping me out.

ASSISTANT: You are welcome.