You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Kenneth Lewis here.

ASSISTANT: How may I assist you?

USER: I would like top book a ticket to Chicago to meet my childhood friend, so please help me in booking a ticket from BOS to ORD.

ASSISTANT: That's nice. I can help you. Can I know your dates of travel?

USER: The travel dates are from 02/11 to 02/13.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: I have found a flight for you with a fare of 100 and 2 connections.

USER: But I need a flight with 1 connection.

ASSISTANT: Sorry, there is no flight with 1 connection on your requested dates.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for reaching us. Feel free to reach us anytime.

USER: Most welcome.