You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: Will you please help me to book a flight ticket from LGA to DCA?

ASSISTANT: Sure, could I have your journey dates, please?

USER: I will start on June, 23 and return on June, 25.

ASSISTANT: Please let me know your connection limit?

USER: I would prefer single connection.

ASSISTANT: May I know your good name?

USER: Emily Martinez here.

ASSISTANT: Do you have any more specifications?

USER: No, thank you.

ASSISTANT: We found a connecting flight 1015 from United airlines has fare 200. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed in business class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.