You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I want to attend a Seminar in Atlanta. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am willing to help you for this. When would you like to travel?

USER: My travelling dates are May 11 and May 13.

ASSISTANT: Could you please provide me your airport codes?

USER: My airport codes are SFO and ATL.

ASSISTANT: Is there any specifications regarding your journey?

USER: I want to travel in economy class flight.

ASSISTANT: Do have any requirements?

USER: I need single connecting flight.

ASSISTANT: At what time are you planning to depart and return?

USER: It's not an issue.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: As per your criteria, there is a flight with Delta Airlines and the ticket fare is 100. Shall I proceed for this?

USER: Please proceed.

ASSISTANT: For reserving the ticket. May I know your name please?

USER: My name is Richard Hernandez.

ASSISTANT: Your ticket is reserved in economy class with the flight-1019. Your depart time is 7:00 AM and again your arrival time is 17:00 PM.

USER: Thanks for helping me.

ASSISTANT: Thank you very much for contacting our agency.