You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Patrick Roberts here.

ASSISTANT: How can I help you?

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

ASSISTANT: Sure, may I know your airport codes please?

USER: My airport codes are from DC-IAD to TX-AUS.

ASSISTANT: Can you please share your travel dates?

USER: My departure date is 07/29 and return date is 07/31. Make sure my price limit is 500.

ASSISTANT: Hawaiian airlines is having a flight with travel charge of 200, shall I proceed for booking?

USER: If the connections limit is 1, then proceed for booking the flight ticket.

ASSISTANT: Your ticket has been booked with flight-1026, have a safe journey.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us.