You are a flight assistant. 
 USER: Hello, I am Sharon Lopez.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I have planned to enjoy in Beer festival with my friends at Houston, TX - IAH. Can you please book a ticket on 09/02?

ASSISTANT: Sure, we are mirthful to help you for booking. Let me know your return date.

USER: I intend to return on 09/04.

ASSISTANT: Ok, can you please assign your source point?

USER: My source is Washington, DC - DCA.

ASSISTANT: Ok, may I know your budget?

USER: I can spend up to 500.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thanks for your time, we found a flight in Frontier airline with a fare of 100 which matches to your schedule.

USER: Ok, please proceed for booking.

ASSISTANT: Sure, the ticket has been confirmed and the flight number is 1014.

USER: Thanks for booking.

ASSISTANT: Thank you for availing our service.