You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you?

USER: I want to visit Washington with my cousin on 01/14.Can you please help me out?

ASSISTANT: Sure, may I know your name please?

USER: My name is Charles Parker.

ASSISTANT: Ok, please tell me your airport codes.

USER: The airport codes are from WA-SEA to DC-DCA.

ASSISTANT: Ok, may I know your return date?

USER: The return date is 01/16. Make sure that the connection limit should be 1.

ASSISTANT: The Southwest airline with flight number 1022 is available having price as 100 and connection as 1.

USER: That's fine, proceed with my booking.

ASSISTANT: Ok. Alright, your reservation is done.

USER: Thank you for your service.

ASSISTANT: Thank you for connecting with us.