You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anna Robinson. I want to book a ticket from LAS to BOS, can you please book a ticket?

ASSISTANT: Sure, please share your journey dates.

USER: My travelling dates are on July 14 and July 16.

ASSISTANT: Do you need any specifications?

USER: I need only connecting flight.

ASSISTANT: There is a connecting flight with economy class in UA airlines and ticket fare is 100. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket is reserved with flight 1003.

USER: Thank you.