You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: This is Janet Davis. Can please help me for book a flight ticket?

ASSISTANT: Sure. May I know your preferable journey codes?

USER: Sure,my travelling locations from DC-IAD to MN-MSP.

ASSISTANT: OK. Please let me know on which dates you want your journey?

USER: My departure day is 05/21 and return day is 05/23.

ASSISTANT: OK. Please wait for a while I will check is there any availability based on your need. I got a flight having price as 100 and connection limit as 1. know can I proceed further?

USER: Yes,please book this ticket.

ASSISTANT: Sure. Your ticket had booked. Have a nice journey.

USER: Thank you for your help.

ASSISTANT: Thank you.