You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I am Frank Roberts. I want to book a flight ticket from TX-HOU to CO-DEN. Can you help me?

ASSISTANT: Sure, could you share your trip dates?

USER: 10/23 and 10/25 are my travelling dates.

ASSISTANT: How much you can afford?

USER: 1000 is my fare.

ASSISTANT: Do you need any halt in between journey?

USER: I need a  connecting flight.

ASSISTANT: Hold on a minute.

USER: Ok.

ASSISTANT: We found a flight of frontier airline, flight number as 1004 with the price of 200.

USER: You can reserve it.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.