You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you help me to book a flight ticket from BOS to SEA?

ASSISTANT: Sure, do you prefer a connecting or direct flight?

USER: I need connecting flight.

ASSISTANT: May I know your good name?

USER: Sandra Martin.

ASSISTANT: Could you please share your planned travel dates?

USER: I will start on July, 7 and return on July, 9.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry, no flights are available as per your requirements.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for choosing us.