You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I want to book a flight ticket from CA to attend a robotic workshop in MA, could you please help me to book a flight ticket with single connection?

ASSISTANT: Sure, can you please forward your journey dates?

USER: 06/02 and 06/04 are my planned travelling dates.

ASSISTANT: May I know your name please?

USER: I am Anthony Davis.

ASSISTANT: Do you have any connection limit?

USER: I have already mentioned above.

ASSISTANT: Are there any more specifications.

USER: No more specifications please.

ASSISTANT: Sorry we did not find any flights matching your preferences.

USER: That's ok, I'll choose any alternative to reach my destination. Thank you for your information.

ASSISTANT: Thank you for opting us.