You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Ruth Hall. Can you please book me a ticket from BOS to SFO to meet my friends?

ASSISTANT: Sure. Can I know your travelling dates?

USER: I would like to leave between 04/09 and 04/11.

ASSISTANT: Do you  need any break?

USER: Yes, I need a halt.

ASSISTANT: We found a AA airline, flight number:1027 and the price is 100.

USER: Ok, please book this ticket.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.