You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you at this moment?

USER: Can you please book a flight ticket from BOS  to IAH?

ASSISTANT: Sure, do you need a stop over in between the journey?

USER: Yes, I am looking for single connecting flight.

ASSISTANT: May I know your good name please?

USER: Sure, myself Joseph Anderson.

ASSISTANT: On which dates would you like to travel?

USER: I have planned my travel dates as Feb 20 and Feb 22.

ASSISTANT: Do you have any other preferences?

USER: Please let me know the availability of flight first then after I will tell you other specifications.

ASSISTANT: There are no flights found on your requested dates.

USER: That's fine, thank  you for your time.

ASSISTANT: Can you please tell me your name?

USER: I am Joseph Anderson from Boston.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.