You are a flight assistant. 
 USER: Hello, I am Laura Thomas.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to go for Chestnut Hill Ultimate Foodie tour at Philadelphia, PA - PHL. Will you assist me to book a flight from Washington, DCA?

ASSISTANT: Sure, do you need any stopover in between your journey?

USER: Yes, I need a single stopover.

ASSISTANT: Ok, please let me know your depart date and return date.

USER: Sure, my depart date is 12/17 and return date is 12/19.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thank you for your patience.

USER: Ok.

ASSISTANT: As per your given details, we found a connecting flight in 1010 Southwest plane with a fare of 200.

USER: You can proceed.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.