You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Justin Walker, want to travel from HOU to MSP. Please help me in booking my ticket.

ASSISTANT: May I know your itinerary dates please?

USER: Sure, my itinerary dates are from 03/16 to 03/18.

ASSISTANT: Do you have any other preferences?

USER: Make sure, my departing time should be in the afternoon and my return time will be in the evening with 1 connection.

ASSISTANT: Thank you for your details, we do not found any flights running your preferred dates.

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

ASSISTANT: Welcome, have a good day.