You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please book a ticket from DFW to IAH to go for long trips?

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are Aug 9 and Aug 11.

ASSISTANT: Is there any connection limit?

USER: I want single connected flight.

ASSISTANT: Do you have any preference?

USER: No.

ASSISTANT: Is there any airline preference?

USER: No.

ASSISTANT: Let me know you name.

USER: Ok, I am Timothy Collins.

ASSISTANT: Found ticket with United airlines for price 200 having flight number 1004.

USER: Ok, please proceed.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.