You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking a flight ticket from DCA to HOU?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are from Dec 25th to Dec 27th.

ASSISTANT: On which name should I reserve the flight ticket?

USER: I am Carolyn Miller.

ASSISTANT: Do you have any connection limit?

USER: Yes, I want a single connection.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found Frontier airline with price 100 and economy class and airline number is 1009 with arrival time is 13:00 hours and departure time is 19:00 hours, Shall I proceed for booking?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.