You are a flight assistant. 
 USER: Hello, Stephen Roberts here.

ASSISTANT: Hello. Nice to meet you Stephen. How may I assist you?

USER: I want to book a ticket from OAK to IAD to watch Baseball match in IAD.

ASSISTANT: Great, let me know your trip dates.

USER: I would like to travel from 04/12 to 04/14.

ASSISTANT: Ok, there is a flight for you with connection 1 and price 100. Shall I proceed?

USER: I want with 0 connections.

ASSISTANT: Sorry for the inconvenience, there is no flights for you with your provided details.

USER: That's fine, thanks for your help.

ASSISTANT: Thank you for choosing us.