You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to meet my friend at ATL, can you please help me in booking a flight ticket from DCA?

ASSISTANT: Sure, may I know the itinerary travel dates?

USER: My travel dates are from Apr 10th to Apr 12th.

ASSISTANT: Is there any class preference?

USER: Yes, I prefer an economy class to travel.

ASSISTANT: May I know if you have any airline preference?

USER: I prefer not to travel in low-cost airline.

ASSISTANT: Do you care for any connection limit?

USER: Yes, I would prefer a single connection in between my journey.

ASSISTANT: Is there any time concern?

USER: No.

ASSISTANT: May I know your name please?

USER: I am Alexander Perez.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Hawaiian Airlines with flight 1005 is providing service on your route with a single connection flight where the cost is 100.

USER: Please proceed.

ASSISTANT: Your ticket is booked with departure DCA 1:00 hours Apr 10 and arrival ATL 7:00 hours Apr 12.

USER: Thank you.

ASSISTANT: Thank you for reaching us.