You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Ruth Edwards want to go for a round trip for a holiday. Can you help me in booking?

ASSISTANT: Sure, may I know your airport code?

USER: Airport code is Houston,TX-IAH.

ASSISTANT: Please provide me your journey dates.

USER: My journey dates are 05/24 and 05/26.

ASSISTANT: Do you want direct flight?

USER: I need a connecting flight.

ASSISTANT: Ok, may I know your price limit?

USER: Make sure price should not exceed 500.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: I found a Frontier airline, flight number: 1020, price: 100 with one connection.

USER: Ok, you can proceed.

ASSISTANT: Your booking is done.

USER:  Thank you for booking.

ASSISTANT: Thank you for choosing us.