You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to book a flight from BOS to SFO, so please help me in booking a flight.

ASSISTANT: Sure, please share your travel dates.

USER: My trip dates will be Nov 2nd to Nov 4th.

ASSISTANT: Do you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: Is there any time concern?

USER: No.

ASSISTANT: Is there any airline preference?

USER: I need a normal cost airline.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please mention your name to further process.

USER: I am Virginia Roberts.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there is no flight services available on your required dates.

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us.