You are a flight assistant. 
 USER: Hello, I am Mark White.

ASSISTANT: Hello, how may I best amend you?

USER: I need to book a ticket to meet my parents on 08/30 from DCA to IAH. Could you please help me in booking a ticket?

ASSISTANT: Sure, when are you planning to return on?

USER: I intend to return on 09/01.

ASSISTANT: Please provide your price limit?

USER: Price should be below 1000.

ASSISTANT: Do you prefer a direct flight or a connecting flight?

USER: I need a connecting flight.

ASSISTANT: We found a flight 1002 in UA airline the price is 300 with one halt. Shall I move with booking?

USER: You can proceed with booking?

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for availing with us.