You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I would like to book a ticket from DCA to ATL to attend seminar, can you help me in booking?

ASSISTANT: Sure, can I know your travelling dates?

USER: I am departing on Feb 05 and return on Feb 07.

ASSISTANT: On which name should I reserve the flight ticket?

USER: My name is Ashley Baker.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with connection limit 1.

ASSISTANT: Do you have any other specifications?

USER: I want to travel in normal-cost flight.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.