You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to attend a Seminar in Oakland. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, can you share your trip dates?

USER: My travelling dates are Nov 15 and Nov 17.

ASSISTANT: May I know your journey airport codes?

USER: My airport codes are HOU and OAK.

ASSISTANT: Do you have any other preferences?

USER: I want to return on evening.

ASSISTANT: May I know your name?

USER: My name is Carol Edwards.

ASSISTANT: There is a connecting flight with number 1020 in airline Southwest, the fare is 100 in economy class. Can I book it?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket is reserved. Thank you for reaching us.