You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I want to book a flight ticket from HOU to BOS, can you please help me?

ASSISTANT: Sure, may I know your trip dates please?

USER: I planned my trip on the dates Oct 30 and Nov 1.

ASSISTANT: Any preferences you have?

USER: I am looking for a direct flight.

ASSISTANT: Can you mention your name to proceed further?

USER: Myself Timothy Lee.

ASSISTANT: Delta Airlines has a direct flight with number 1028 for fare 100, shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.