You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to meet my relatives at Dallas, please help me in booking a ticket from BOS to DFW.

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned travel dates are on July 9 and July 11.

ASSISTANT: May I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Is there any class preference for you?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other specifications?

USER: No more specifications.

ASSISTANT: May I know your good name?

USER: My name is Scott Parker.

ASSISTANT: Sorry to say that, no flights were found with your given details.

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

ASSISTANT: Thank you for reaching us.