You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please make a reservation from BOS to DFW to attend a seminar in Dallas?

ASSISTANT: Sure, I am here to help you with that, can I know your good name to proceed further?

USER: My name is  Catherine Mitchell.

ASSISTANT: May I know on which dates you are willing to travel?

USER: My journey start on Jan 5th and arrival on Jan 7th.

ASSISTANT: Do you have any connection limit preference for this trip?

USER: Yes, I prefer a flight with single connection.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I don't have any other specifications.

ASSISTANT: Thank you for the information, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.