You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Jennifer Walker. I am planning to visit a NASA space center in Houston, can you help me in booking a flight ticket from Chicago?

ASSISTANT: Sure, let me know your travelling dates.

USER: I want to fly on 02/21, return on 02/23.

ASSISTANT: Could you please share your origin and destination airport codes?

USER: My source and destination airport codes are IL - ORD, TX - HOU.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: We found a flight with single connection and price is 100  of 1005 flight. Shall I proceed for booking?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been confirmed with JetBlue airlines.

USER: Thank you for booking a flight ticket.

ASSISTANT: Thank you for choosing us.