You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Joseph King.

ASSISTANT: Joseph, What can I do for you today?

USER: I would like to attend for a film festival at New York, JFK. Can you help me in booking a flight ticket on 05/16?

ASSISTANT: Sure, I can help you in that.

USER: Thank you.

ASSISTANT:  May I know, when will you return?

USER: I will return on 05/18.

ASSISTANT:  Ok, Help me with your boarding point?

USER: Denver, DEN is my boarding point.

ASSISTANT:  We found a 1005 flight and Southwest as airline, with fare 100 for your journey. Are you comfortable with that airline?

USER: Yes, please proceed with booking.

ASSISTANT: Ok, Your ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing our airlines, have a safe journey!.