You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Brian young here.

ASSISTANT: How can I assist you?

USER: I want to book a flight ticket from PHL to ORD. Can you help me in that?

ASSISTANT: Ok, may I know your travelling dates?

USER: My trip dates are Sept 22 to 24.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Here is a connecting flight with fare 100 and 1007 as flight number in UA airline providing ticket in economy class. Shall I proceed with booking?

USER: You can proceed.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.