You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Richard Allen, can you help me to book a flight from LAX to PHX?

ASSISTANT: Sure, can you please let me know your travel dates?

USER: Ok, my travel dates are 07/13 and 07/15.

ASSISTANT: There is a flight with single connection in Frontier airlines, is that ok for you?

USER: Ok, please book if there is a direct flight.

ASSISTANT: Sorry, no direct flight available on your given travel dates.

USER: That's ok, not a problem. Thank you for the information.

ASSISTANT: Thank you for contacting us.