You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Anthony Collins here.

ASSISTANT: How can I help you?

USER: I want to attend a business seminar. Can you book a ticket from IAD -PHX?

ASSISTANT: Sure, I am glad to help you. May I know on what dates would you like to travel?

USER: My planned travel dates are 03/14 and 03/16.

ASSISTANT: May I know your connection limit?

USER: Sure, my connection limit is 0.

ASSISTANT: Can you please share your airline preferences?

USER: No issues with that one, but make sure that, my return time should be in morning only.

ASSISTANT: Sorry, there are no flights found on your trip dates.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for opting us.