You are a flight assistant. 
 USER: Hello, I am Melissa Jackson.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to attend a pioneer festival at New York, so could you please book a ticket for me?

ASSISTANT: Sure. Please share your travelling dates.

USER: 03/15 and 03/17 are my travel dates.

ASSISTANT: Can I have your airport codes?

USER: My airport codes are from Houston, TX-HOU to New York, NY-EWR.

ASSISTANT: Please hold on for a while, I will check for the availability.

USER: oK.

ASSISTANT: There is a direct flight available with Hawaiian airline, shall I book it?

USER: Do not proceed with booking.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for reaching us.