You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: My name is Joshua Martinez. I am looking to book a flight ticket to meet my friend in Boston, can you help me for booking a flight ticket from HOU to BOS?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: My travelling dates are Mar 28 and Mar 30.

ASSISTANT: Do you like to go with a economy class or business class?

USER: Any class is fine for me.

ASSISTANT: May I know your other specifications?

USER: I need a single connecting flight.

ASSISTANT: Do you have any departure time?

USER: My departure time is Morning.

ASSISTANT: There is a connecting flight-1021 in economy class, is it ok for you?

USER: Please make sure that my return time should be afternoon.

ASSISTANT: Sorry, there is no flight for you on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Thanks for approaching us.