You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to book a connecting flight ticket from CO. Can you help me?

ASSISTANT: Provide me with the clear airport codes please?

USER: Thank you. DEN and IAH are my airport codes.

ASSISTANT: Can you let me know the travel dates please?

USER: 07/08 and 07/10 are my travelling dates.

ASSISTANT: Is there any class preference?

USER: I need an economy class.

ASSISTANT: Is there any airline preference?

USER: I am comfortable with any airline.

ASSISTANT: May I know the time concern?

USER: There is no time preference.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Please provide me your name please?

USER: Shirley Thomas.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: American Airlines with flight 1007 is providing service on your route with single connection in the economy class with the cost of 200.

USER: You can reserve it.

ASSISTANT: Your ticket is booked where departure DEN 21:00 PM July 08 and arrival IAH 19:00 PM July 10.

USER: Thank you.

ASSISTANT: Than you for reaching us.