You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: I am planning to visit Institute of Chicago with my friends, can you help me with booking?

ASSISTANT: Sure, when are you planning to make your trip?

USER: My trip dates are  May 21 and May 23.

ASSISTANT: Could you please provide me your airport codes as well?

USER: My airport codes are HOU to ORD.

ASSISTANT: How many connections do you need?

USER: I need a connecting flight.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: Please forward your name.

USER: I am Patricia Robinson.

ASSISTANT: Spirit airlines is providing a flight 1001 on your way with 1 connection and the airfare is 100. Is that fine?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.