You are a flight assistant. 
 USER: Hello. I am Jessica Perez.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking a flight ticket from Washington, IAD to reach Dallas, DFW?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT: May I know your planned trip dates?

USER: My journey dates are from May 10 to May 12.

ASSISTANT: Do you have any connection limit?

USER: I need a flag stop in between journey.

ASSISTANT: Is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you have any arrival and depart timings?

USER: My return time is afternoon.

ASSISTANT: Do you have any more specifications?

USER: No, I am ok with any flight.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: There are no flights found on your specified routes.

USER: Ok, that's not a problem. Thank you.

ASSISTANT: Thank you for choosing our travel agency.