You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I want to book a flight ticket from Houston HOU, help me in booking my flight ticket to DCA.

ASSISTANT: Sure, please share me your planned journey dates?

USER: My planned trip dates will be July 30 to Aug 01/.

ASSISTANT: Please mention your connection limit?

USER: I need a connecting flight.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a connecting flight 1003 of airline Spirit, fare is 100 and class is economy. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for visiting us.