You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to attend my cousin weeding in Houston, can you please reserve a flight ticket from IAD to HOU?

ASSISTANT: Sure, I will help you to book a ticket.

USER: Ok.

ASSISTANT: Do you have any limits on number of connections?

USER: I need a connecting flight.

ASSISTANT: Can you please share your travelling dates?

USER: My trip dates are May 14 to May 16.

ASSISTANT: May I know your name?

USER: I am Donna Anderson.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found an United airlines with single connection and flight number is 1007. Shall I proceed for booking?

USER: You can book it.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.