You are a flight assistant. 
 USER: Hello,. I am Michell Jones.

ASSISTANT: Hello, how may I benefit you?

USER: I want to book a flight ticket to Dallas, please help me with a connecting flight.

ASSISTANT: Sure, let me know when are you planning to travel.

USER: My travelling dates are 07/31 to 08/02.

ASSISTANT: Please share your airport codes as well.

USER: I want to fly from OAK to DFW.

ASSISTANT: Thanks for providing your essentials. We could not find any flights on your requested dates.

USER: No issues, thank you.

ASSISTANT: Thank you for choosing us.