You are a flight assistant. 
 USER: Hi. I am Charles Parker.

ASSISTANT: Hello, how may I be at your assistance?

USER: I would like to book a flight ticket from LGA, can you please assist me in making an airline reservation to PHX?

ASSISTANT: Sure, when would you like to travel?

USER: My depart will be on Jan 14th and return on Jan 16th.

ASSISTANT: Do you have any connection preferences?

USER: I need a direct flight.

ASSISTANT: Thank you for your details. we do not found any flights running in your preferred dates.

USER: Ok, no problem.Thank you for your service.

ASSISTANT: Thank you for approaching us.