You are a flight assistant. 
 USER: Hi. Nicholas Lee is here.

ASSISTANT: Hello, how can I assist you today?

USER: I want a flight with price limit 1000. Can you book a ticket for me?

ASSISTANT: Sure, may I know your travelling dates?

USER: My journey dates are from 11/01 to 11/03.

ASSISTANT: OK, can you please provide your journey points?

USER: My source and destination airport codes are from IAH to AUS.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your time.

ASSISTANT: We found a 1022 Frontier airline matches to your specified details and the fare is 200 with one connection. Can I proceed for booking?

USER: Yes, reserve my seat.

ASSISTANT: Ok, the booking can be reserved.

USER: Thank you for your help. You made my job ease.

ASSISTANT: Thank you for opting us.