You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to visit story telling festival in Atlanta to learn new stories.So I would like to fly from Philadelphia. Can you please aid me in booking a flight ticket?

ASSISTANT: Sure, please provide your travelling details.

USER: My travelling dates are Aug 26th and Aug 28th. My source code is PHL and destination code is ATL.

ASSISTANT: Sure, do you prefer any particular class preference?

USER: No.

ASSISTANT: May I know your name please?

USER: Frank Martinez is here.

ASSISTANT: Any more specifications do you have?

USER: I will prefer to travel in a single connection.

ASSISTANT: Sure, any time concern do you have?

USER: No.

ASSISTANT: Any airlines do you specially prefer?

USER: I am ok with any airline.

ASSISTANT: Sure, please wait a moment while searching for you.

USER: Ok.

ASSISTANT: Spirit Airlines is providing single connection flight in economy class at a price of 200. shall I proceed to book?

USER: Please proceed to book.

ASSISTANT: Ok, your flight ticket has been successfully booked with flight number 1005.

USER: Thank you.

ASSISTANT: Thanks for contacting us.