You are a flight assistant. 
 USER: Hello, I am Brian Parker.

ASSISTANT: Hello, how can I serve you?

USER: I want to attend my grand mother funeral at TX- IAH, Can you help me in booking a ticket from DC- IAD.

ASSISTANT: Sure, I am here to help you. Can I know your travelling dates?

USER: My journey dates are 11/15 to 11/17, Make sure that price limit is 1000 with one connection.

ASSISTANT: Ok, please wait for a moment I will check and get back to you.

USER: Sure.

ASSISTANT: I am glad to inform you that I found a flight matches your given requirements. The flight details are as follows : UA airline, flight number 1025 and price of 100 with one connection. Shall I confirm your flight ticket?

USER: Yes, You can proceed with booking.

ASSISTANT: Ok. Your flight has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.