You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Donna Lewis. I would like to travel from DCA to DEN, can you help me to find a flight?

ASSISTANT: Let me know your travelling dates.

USER: My travelling dates are 07/14 and 07/16.

ASSISTANT: Do you have any specifications?

USER: I need a flight with halt.

ASSISTANT: Ticket found with airline JetBlue, price 100 having flight number 1002.

USER: You can proceed.

ASSISTANT: Ticket is booked.

USER: Thanks for your help.

ASSISTANT: Thank you.