You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me in booking a flight ticket from DCA to HOU?

ASSISTANT: Sure, can you help with your travelling dates?

USER: I want to travel on 07/04, and return on 07/06.

ASSISTANT: May I know your connection limit?

USER: I need a single connection.

ASSISTANT: Do you have any requirements?

USER: I prefer for economy class.

ASSISTANT: There is a economy class ticket of Spirit airlines, can I proceed?

USER: Proceed with the booking.

ASSISTANT: May I know your name?

USER: I am Alexander Nelson.

ASSISTANT: Your booking is done with flight-1005.

USER: Thank you.

ASSISTANT: Welcome.