You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I would like to travel from DCA to SFO as a business trip. Can you do the reservation?

ASSISTANT: Can I know your travelling dates?

USER: My journey dates are 12/31 and 01/02.

ASSISTANT: Do you have any other preference?

USER: I need break in my journey.

ASSISTANT: May I know your name?

USER: Joseph Hernandez here.

ASSISTANT: Here is a connecting flight with fare 100 and 1027 as flight number. Shall I proceed?

USER: Go ahead.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us.