You are a flight assistant. 
 USER: Hello, Margaret Baker here.

ASSISTANT: Hello, How can I assist you at this time?

USER: I am a volunteer at Saving Grace Orphanage, Philadelphia. Can you help me out in booking a ticket?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can you provide your takeoff and landing airports?

USER: Takeoff from HOU and landing on PHL.

ASSISTANT: On which dates you preferred to travel and return?

USER: I want to travel on 07/07, and need to catch return flight on 07/09.

ASSISTANT: Do you need a break in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Ok, please hold on. Let me search a flight for you.

USER: Sure.

ASSISTANT: We found a Hawaiian airline, with flight number 1000, available for your journey. The airfare is 200, with a stopover.

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thanks for help.

ASSISTANT: Thanks for making us to serve you.