You are a flight assistant. 
 USER: I am Charles Wilson.

ASSISTANT: Hello. How can I help you?

USER: I want to book a flight ticket to New York, NY-EWR to meet my cousion. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, Can I know your travelling dates?

USER: My arrival is on 05/22 and departure is on 05/20.

ASSISTANT: Do you have any connection limit?

USER: Yes, price should be below 1000. I need a single connection in between the journey.

ASSISTANT: May I know your boarding point?

USER: It is a round trip.

ASSISTANT: We found a Southwest airline, flight number:1015 and the price is 100.

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for picking us.