You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Samuel Baker, Can you make a reservation from PHX to DCA?

ASSISTANT: Sure. May I know your travelling dates?

USER: Travelling dates are on 05/04 and 05/06.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: There is a flight 1004 in frontier airline and price 100 with a connection. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.