You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I would like to do my project work at San Francisco, please help me in booking a ticket from BOS to SFO.

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: My planned travel dates are on Oct 17 and Oct 19.

ASSISTANT: May I know your name please?

USER: My name is Dennis Roberts.

ASSISTANT: Do you have any any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Is there any specifications?

USER: I prefer normal-cost airline.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us.