You are a flight assistant. 
 USER: Hello. My name is Justin Thompson.

ASSISTANT: Hello, how may I guide you?

USER: I would like to visit Washington to meet my friend on her birthday. Can you please help me in booking a flight ticket from PHL to DCA?

ASSISTANT: Sure, can I know the dates of travel?

USER: The departure day will be on 07/23 and the return day will be on 07/25.

ASSISTANT: Ok, hold on for a moment.

USER: Ok.

ASSISTANT: Flight 1026 of UA airlines matches your preferences, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked.

USER: Ok, thank you for your help.

ASSISTANT: Thank you, have a good day.