You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I planned to meet my friend in ORD, can you please help me to book a flight ticket from LAX?

ASSISTANT: Sure, please provide your itinerary dates.

USER: I prefer to travel on Apr 18 and Apr 20.

ASSISTANT: May I know your name?

USER: I am Christopher Martinez.

ASSISTANT: Which class do you prefer?

USER: I prefer to travel in economy class.

ASSISTANT: May I know your connection limit?

USER: I need a direct flight.

ASSISTANT: Direct flight is provided by AA airlines and ticket costs you 100 in economy class.

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is booked in flight 1010. Flight departs at 19:00 hours and arrives at 19:00 hours.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us Christopher Martinez.