You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Mark Williams. I want to book a flight ticket from BOS to HOU. Could you help me in booking?

ASSISTANT: Sure, when would you like to depart and return?

USER: My travelling dates are from 04/23 to 04/25.

ASSISTANT: May I know your price limit?

USER: My fare limit is 1000.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: We found a Hawaiian airline, flight number: 1020, price: 100 with one connection. Shall I proceed to booking?

USER: Yes, please proceed.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.