You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Sarah Rodriguez. I would like to book a ticket to Los Angeles, can you please book a ticket?

ASSISTANT: Sure, I am happy to help you. Can you please tell me your airport codes?

USER: I am travelling on these dates 06/06 and 06/08.

ASSISTANT: Ok, may I know your airport codes?

USER: My airport codes are IAH and LAX.

ASSISTANT: Flight-1004 is available in Frontier airlines and the ticket costs you 100 only. Can I book the ticket?

USER: Ok, you can proceed with this flight.

ASSISTANT: Your ticket is booked successfully and happy journey.

USER: Thank you for your valuable services.

ASSISTANT: Thank you for choosing us.