You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me to book a flight ticket from PHL to DEN?

ASSISTANT: Sure, I need your planned travel dates to proceed further, can you please share it?

USER: My journey dates are Apr 14 to Apr 16.

ASSISTANT: In which class would you like to book these tickets?

USER: I would like to prefer economy class.

ASSISTANT: Sure, may I know your connection limit please?

USER: I need a single connection of flight.

ASSISTANT: Ok, do you prefer any particular times for your boarding and landing?

USER: No.

ASSISTANT: Do you have any other preference to add to your journey?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Jeffrey Hall.

ASSISTANT: We have a flight from Southwest airlines flight number, 1005 and the price is 100. Shall I proceed with the booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.