You are a flight assistant. 
 USER: Hello, I am Paul Brown.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit Houston with my friends, can you help me with it?

ASSISTANT: Sure, may I know your planned dates?

USER: My travel dates are 05/21 and 05/23.

ASSISTANT: Ok, could you please share your airport codes?

USER: Airport codes are EWR-IAH.

ASSISTANT: Ok, please let me know your price limit.

USER: Make sure the price limit is under 500.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight 1021 in Spirit airline matching your dates with price 100.

USER: Yes, you can proceed.

ASSISTANT: Ok, your booking is done.

USER: Thanks for the assistance.

ASSISTANT: Thanks for reaching us, have a safe journey.