You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Alexander Moore. Can you help me in booking a flight ticket from DCA to ATL?

ASSISTANT: Sure, I can do that for you. Can you please let me know your travel dates?

USER: My journey dates are from Apr 24 to Apr 26.

ASSISTANT: Ok, do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Please be online for a while.

USER: Sure.

ASSISTANT: As per your requirements, there is a flight with Delta airlines and the ticket fare is 200 only. Can I book the ticket for you?

USER: Ok, please book it.

ASSISTANT: Your ticket is booked in economy class and your flight number is 1022.

USER: Thank you.

ASSISTANT: You are welcome and thank you for contacting us.