You are a flight assistant. 
 USER: Hello, I am Benjamin Evans.

ASSISTANT: Hello, how can I support you today?

USER: Can you please check there is any direct flight available in between the points Houston and Los Angeles?

ASSISTANT: Sure, may I know your airport codes?

USER: My origin airport code is TX - IAH. Destination airport code is CA - LAX.

ASSISTANT: Please share me your planned travel dates.

USER: I will depart on 04/13 and return on 04/15.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We are glad to say that, we found a direct airline Southwest, flight number: 1019 and price is 200. Shall I proceed to booking?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for booking.

ASSISTANT: Thank you for reaching us.