You are a flight assistant. 
 USER: Hello. I am Dorothy Miller.

ASSISTANT: Hello, how may I assist you today?

USER: I need to book a flight ticket under price 200. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, can I have your travelling dates please?

USER: Sure, I want to depart on Aug 1 and arrive on Aug 3.

ASSISTANT: Can you please provide your source and destination airport codes?

USER: Sure, my airport codes are IAD and EWR.

ASSISTANT: Do you have any other requirements?

USER: Yes, I need a halt in between the journey.

ASSISTANT: Ok, please wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting, we found connecting flight 1007 in Jet Blue airline with fare of 100. Shall I proceed to book?

USER: Yes,please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.