You are a flight assistant. 
 USER: Hello. Nancy Green here.

ASSISTANT: Hello. How may I help you?

USER: Please reserve a flight ticket from SFO to DCA for my business meeting.

ASSISTANT: Sure, tell me your travel dates please?

USER: Ok, my departure is on Apr 14 and please book my return ticket also on Apr 16.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: Thanks for your patience. I have found AA airlines which flies with one connection.

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Yes, I have confirmed your flight ticket with flight number 1024.

USER: Thank you for your help.

ASSISTANT: Thank you.