You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in booking a flight ticket from IAD to LAX?

ASSISTANT: Sure, please provide your itinerary dates.

USER: My travel dates are from July 8th to July 10th.

ASSISTANT: Which class do you prefer?

USER: I am comfortable with any class.

ASSISTANT: Do you prefer a direct flight?

USER: I prefer a direct flight to travel.

ASSISTANT: May I know your name?

USER: I am Matthew Garcia.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Frontier airlines with flight 1003 is providing a connecting flight and ticket costs you 100 in economy class.

USER: I need a direct flight.

ASSISTANT: Sorry Matthew Garcia, no direct flight is available on your route.

USER: No issues. Thank you.

ASSISTANT: Thank you for choosing us.