You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Please book me a flight ticket from DFW to LAX to meet my family.

ASSISTANT: Sure, let me know your trip dates please?

USER: I have planned to travel on May 23rd and return on May 25th.

ASSISTANT: Ok, is there any class preference?

USER: I am ok with any class.

ASSISTANT: Do you have any specific depart and arrival timings?

USER: I am ok with any time.

ASSISTANT: Do you need any airline preference?

USER: No thanks.

ASSISTANT: May I know your connection limit?

USER: No.

ASSISTANT: Can I know your name please?

USER: Myself Melissa Green.

ASSISTANT: Spirit Airlines is providing connecting flight with the ticket fare of 200 and depart time is 6:00 hours, arrival time is 21:00 hours. Shall I proceed?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been confirmed by flight number 1008 and an economy class.

USER: Thank you.

ASSISTANT: Thanks for choosing us.