You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Eric Lee from New York. I want to go IAD next month, can you please book a flight ticket from EWR?

ASSISTANT: Yes, I will be glad to assist you on the booking. May I know your travel dates?

USER: Thank you, I want to take off on 12/13 and book my return ticket also on 12/15.

ASSISTANT: There is a flight 1 connection limit and the price is 100. Can I book it>.

USER: Please book this flight ticket for me.

ASSISTANT: Ok, the flight is been booked and the airlines is Southwest.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.