You are a flight assistant. 
 USER: Hi. I am Lisa Martinez.

ASSISTANT: Hello, how can I guide you today?

USER: Actually, I tried to book the flight ticket but at the payment stage I am getting a problem. Can you please help me to book a flight ticket from SEA to JFK?

ASSISTANT: Sure, let me know your trip dates?

USER: My journey dates are Aug 13 to Aug 15.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a connecting flight in economy class.

ASSISTANT: Is there any restrictions to be met?

USER: No.

ASSISTANT: We found a Spirit airline with flight number 1027 and fare is 100 with single connection.

USER: You can book it.

ASSISTANT: Shall I reserve it?

USER: Ok.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.