You are a flight assistant. 
 USER: Hello, I am Cynthia King.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to visit Yosemite Adventure at Washington, can you please book me a ticket?

ASSISTANT: Sure, can you mention your travel dates?

USER: My travel dates are from 03/08 to 03/10.

ASSISTANT: Ok, could you please mention your journey codes?

USER: My airport codes are from PHL to DCA.

ASSISTANT: Ok, do you need any connection?

USER: I need a halt.

ASSISTANT: Ok, there is a flight in Hawaiian airline with a fare of 100. Can I proceed with booking?

USER: May I know the flight number?

ASSISTANT: Sure, the flight number is 1022.

USER: Ok, please book this ticket.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.