You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Please book a ticket from San Francisco, CA-SFO to Washington DC-DCA.

ASSISTANT: Sure. Your good name please?

USER: My name is Sandra Brown.

ASSISTANT: Can you please provide your scheduled trip dates?

USER: Departure date is 12/07 and 12/09 is return.

ASSISTANT: Do you need a lay by in between your journey?

USER: I need a halt in between journey.

ASSISTANT: Thank you for sharing the details, wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, there is a flight available with fare 200 in economy class of AA airline having 1025 as flight number. Shall I reserve your ticket with connecting flight?

USER: Please book a flight.

ASSISTANT: Your ticket has been reserved.

USER: Thanks.

ASSISTANT: Thank you for reaching us.