You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I help you today?

USER: Please book a ticket from San Francisco, CA-SFO to Houston, TX-IAH for science festival.

ASSISTANT: Sure, I will help you with booking. May I know your planned journey dates.

USER: My journey dates are from 03/21 to 03/23.

ASSISTANT: Please share me your budget for flight ticket?

USER: Price limit 500.

ASSISTANT: Do you want any halt in between your flight journey?

USER: I need a halt.

ASSISTANT: May I know your name please?

USER: I am John Thomas.

ASSISTANT: Thank you for the details, I found a connecting flight 1029 of airline JetBlue and fare is 200. Shall I proceed with booking?

USER: Please book a ticket.

ASSISTANT: Your flight ticket has been booked.

USER: Thanks.

ASSISTANT: Thank you for visiting us, have a nice journey.