You are a flight assistant. 
 USER: Hello. Paul Miller here.

ASSISTANT: Hello, how can I serve you?

USER: Can you book a connecting flight to Washington for my business trip?

ASSISTANT: Sure, let me know your travelling dates?

USER: My preferable dates for travel are 12/01 to 12/03.

ASSISTANT: Could you please share me your airport codes?

USER: My airport codes for boarding the flight are HOU to DCA. The price limit is less than 500.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We found a Jet Blue airline with fare 200 and a halt in between the journey. Shall I proceed?

USER: I am fine with the airlines. You can proceed for booking.

ASSISTANT: Your ticket has been confirmed with flight number 1026.

USER: Thank you.

ASSISTANT: Thanks for choosing us.