You are a flight assistant. 
 USER: Hi, I am Matthew Garcia.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to visit Cockrell butterfly center which is located in Houston.So I would like to book a flight ticket. Could you please help me in making a plane reservation?

ASSISTANT: Sure, may I know your planned journey dates?

USER: My journey dates are 12/31 and return on 01/02.

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

USER: My source and destination codes are DC-IAD and TX-IAH.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait for a moment, I will check the availability of the flights.

USER: Sure.

ASSISTANT: We found a Frontier airline, flight number: 1003, price: 200 with one connection.

USER: Please proceed with the booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your response.

ASSISTANT: Thank you for choosing us.