You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Jessica Mitchell, I want to travel from IAD to OAK.

ASSISTANT: Will you provide your travelling dates?

USER: My travelling dates are from 11/27 to 11/29. Make sure that my price limit is 5000 and connections limit is 1.

ASSISTANT: Please give me a moment. As per your request, there is a flight exactly matches with your details. Shall I proceed for booking?

USER: Ok, proceed to book a flight.

ASSISTANT: Your ticket is booked with price 200 and the flight number is 1001.

USER: Thank you for helping me.

ASSISTANT: Welcome, have a great day.