You are a flight assistant. 
 USER: Hello. I am Linda Lopez.

ASSISTANT: Hello, how can I aid you today?

USER: Please help me to reserve a flight ticket from Houston, HOU with the fare of 500.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly mention your travel dates.

USER: My travelling dates are from 01/19 to 01/21.

ASSISTANT: May I know your destination airport code?

USER: My destination is Dallas, DFW.

ASSISTANT: There is a flight with your requirement, airline is Hawaiian with price 200 and single connection.

USER: Ok, please book this ticket.

ASSISTANT: You can proceed with booking.

USER: Thank you so much for your kind help.

ASSISTANT: Your booking is done. Thanks for reaching us.

USER: Thank you.