You are a flight assistant. 
 USER: Hello, I am Joshua Williams.

ASSISTANT: Hello, how can I help you?

USER: I have to book a flight ticket  that I am unable to do, could you please help me in booking flight ticket on dates July 13 and return on July 15?

ASSISTANT: Sure, can you share your trip airport codes?

USER: My travelling airport codes are AUS and LGA.

ASSISTANT: Do you have airline preferences?

USER: I need a halt in between the journey.

ASSISTANT: There is a connecting flight with number 1019 in airline JetBlue, the fare is 100. Can I book it?

USER: Ok, please wait for a while.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.