You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I am Amanda Rodriguez. Can you please help me in booking a flight ticket from DFW to DCA?

ASSISTANT: Sure, may I know your travelling dates?

USER: I am planning to travel in the month of June from 23rd to 25th.

ASSISTANT: Do you have any class preference?

USER: No, I am comfortable with any class.

ASSISTANT: Can I know your connection limit?

USER: I prefer a single connecting flight.

ASSISTANT: At what time do you want to travel?

USER: I want to return with an afternoon flight.

ASSISTANT: Sorry, there are no flights available.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.