You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I have planned to attend my office meeting in OAK, so can you assist me in booking my ticket from ORD?

ASSISTANT: Sure, I can assist you and can you please mention on what dates that you would like to travel your journey?

USER: My preferred dates are Nov 5th and Nov 7th.

ASSISTANT: Do you need any stop over in your journey?

USER: I am Ok with direct flight.

ASSISTANT: May I know your name for booking purpose?

USER: Barbara Smith.

ASSISTANT: Sorry, there is no flight moving towards your destination location to book a flight ticket for your journey.

USER: No problem, thank you for searching.

ASSISTANT: You are most welcome and thank you for reaching us.