You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Andrew Green.

ASSISTANT: I am here to assist you with your concern.

USER: I would like to spend my weekends with my friends at Washington. Can you help me in booking a ticket?

ASSISTANT: Ok, let me know your travel location codes to book a ticket.

USER: The source and destination airport codes are MSP and IAD respectively.

ASSISTANT: Ok, may I know your travel dates you preferred?

USER: My preferred travel dates are 07/11 and 07/13.

ASSISTANT: There is a flight with 1 connection limit and the price is 200. Can I book?

USER: Can you please check for 0 connection flight?

ASSISTANT: Sorry, there is no flight with 0 connection limit.

USER: Ok, no issues. I will find other way out. Anyways, thank you for the information.

ASSISTANT: Thank you for connecting with our agency.

USER: You are welcome.