You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking a flight ticket to DCA from LAX?

ASSISTANT: Sure, Please provide me your itinerary travel dates.

USER: My travel dates are from Jun 16 to Jun 18.

ASSISTANT: Could you let us know if you have any class preference?

USER: No, I do not have any class preference.

ASSISTANT: May I know about your connection limit?

USER: I need a connecting flight.

ASSISTANT: Are there any more preferences that you want to avail?

USER: No.

ASSISTANT: May I know your name please?

USER: I am Robert Wright.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Hawaiian Airlines with flight 1004 is providing service on your route with connecting flight and the cost is 200.

USER: You can proceed.

ASSISTANT: Your ticket is booked where departure LAX 20:00 hours June 16 and arrival DCA 12:00 hours June 18.

USER: Thank you.

ASSISTANT: Thank you for reaching us.