You are a flight assistant. 
 USER: Hello,. I am Patrick Hall.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: Owing to an emergency, I need to travel to Boston, MA-BOS, can you please help me in reservation?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: Could you please ensure your preferred dates of travelling?

USER: I want to travel on 10/18, and need to catch return flight on 10/20.

ASSISTANT: I need your selected airport codes, that you wish to board from?

USER: I want to board from HOU.

ASSISTANT: Do you prefer any halt in between journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight in UA airline matches given criteria. shall I proceed with booking?

USER: Ok, Proceed with the booking.

ASSISTANT: Your booking has been confirmed with flight number 1001.

USER: Thanks for the assistance.

ASSISTANT: Thank you for opting us.