You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to go for food festival to taste various new dishes. Can you please book a plane ticket from Oakland, CA - OAK?

ASSISTANT: Sure, we are glad to help you. May I know on which dates you are willing to travel?

USER: I have to depart on 06/10. After food festival, I need to return on 06/12.

ASSISTANT: Can you please provide your take off airport code?

USER: I want to land at Houston, TX - IAH.

ASSISTANT: May I know at what price you are looking for ticket fare?

USER: I can pay up to 5000 for this ticket.

ASSISTANT: May I know your good name please?

USER: My name is Samuel Thomas.

ASSISTANT: We found a direct flight with Delta airlines. Shall I proceed with the booking?

USER: Don't proceed. I need a stopover in between.

ASSISTANT: Ok.

USER: Thanks for your response.

ASSISTANT: Thank you for opting us.