You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am William Adams.

ASSISTANT: What can I do for you now?

USER:  I want to book a flight ticket to meet my cousin in Washington, could you help me in booking a flight ticket?

ASSISTANT: Fine. Let me know your travelling dates please.

USER: My journey dates are from 03/25 to 03/27.

ASSISTANT: Need any specifications?

USER: I need a layover in my journey.

ASSISTANT: Your airport codes please?

USER: My source airport code is MN - MSP. My destination is DC -IAD.

ASSISTANT: Thanks for your time. There is a flight with 2 connections.

USER: Do not proceed. Thank you for quick response.

ASSISTANT: Ok, thank you for your time with us.