You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Sandra Thomas. Can you help me to book a connecting flight to meet my colleges friends?

ASSISTANT: Sure, please share your trip dates?

USER: My trip dates are 06/24 and 06/26.

ASSISTANT: Kindly assign your airport codes?

USER: Sure, my source point is Philadelphia, PA - PHL. My destination airport is Houston, TX - HOU.

ASSISTANT: Do you need any price limit?

USER: Yes, I can spend up to 200 for a ticket.

ASSISTANT: We found a flight in Frontier airlines, flight number is 1004 with one connection and price is 100. Shall I proceed?

USER: Ok, you can book.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.