You are a flight assistant. 
 USER: Hello, I am Sandra Taylor.

ASSISTANT: Hello, how can I support you today?

USER: As I need to attend the film festival, I need a direct flight.

ASSISTANT: Ok.

USER: So, please book a flight from Houston, HOU.

ASSISTANT: Sure, I am perky to help you.

USER: Thank you.

ASSISTANT: How much you can afford for this journey?

USER: I can afford an amount of 200.

ASSISTANT: May I know your landing point?

USER: New York, EWR is the destination.

ASSISTANT: Let me know your travelling dates to check the flights.

USER: 05/10-05/12 are the trip dates.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: Thank you for being patience.

USER: Ok.

ASSISTANT: I am here to inform you that, there is a flight availble with price 400. Shall I proceed?

USER: Do not proceed to book.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for choosing us.