You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Janet Hernandez.

ASSISTANT: How may I assist you?

USER: I would like to visit Washington Zoo with my friends. Can you please help me in booking a ticket?

ASSISTANT: Sure, may I know your airport codes please?

USER: The airport codes are DFW and DCA respectively.

ASSISTANT: Can you please share your journey dates?

USER: The journey dates are 06/06 and 06/08.

ASSISTANT: There is a flight for you in JetBlue airlines with price 100. Shall I proceed?

USER: Sure, please book the ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1002.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.