You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: I heard there is a good tourist attractions in Houston, can you help me with booking?

ASSISTANT: Sure, could you please mention your airport codes?

USER: I would like to fly from ORD my nearest airport to reach HOU.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I will start my journey on 07/14 and return from Chicago on 07/16.

ASSISTANT: To proceed further, I need your name for reservation.

USER: I am Donna Lewis.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, the flight details are, airline- UA, flight number- 1020, connection- 1, price- 100. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your booking is done with UA airline.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.