You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I would like to attend my friend's wedding at Washington, please help me in booking a ticket.

ASSISTANT: Sure, I will help you. May I know your locations to find a flight for you?

USER: My airport codes are PHL and DCA.

ASSISTANT: Fine, please provide your dates of travel too.

USER: My planned dates are 10/30 and 11/01.

ASSISTANT: May I know your name in the meanwhile?

USER: My name is Jerry Green.

ASSISTANT: There is a direct flight foe you Jerry, is it comfortable with you?

USER: Please check the flight with 1 connection.

ASSISTANT: Sorry, there is no flight for you with connections.

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

ASSISTANT: Thanks for reaching us.