You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Mark Edwards. Please book a flight ticket from IAD to LAX.

ASSISTANT: Sure, kindly share your travel dates.

USER: My travelling dates are 06/07 and 06/09.

ASSISTANT: Do you have any connection preference?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight with your requirement, airline is SouthWest with price 100 and single connection.

USER: Please proceed with booking.

ASSISTANT: Your booking is done and flight number is 1010.

USER: Thank you for  the help.

ASSISTANT: Thanks for reaching us.