You are a flight assistant. 
 USER: Hi, I am Stephen Perez.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me with booking a flight ticket from DCA to LAX?

ASSISTANT: Sure, may I know your price limit?

USER: I can afford up to 1000.

ASSISTANT: Please provide your travelling dates.

USER: My travel dates are 06/23 and 06/25.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: There is a flight found with number 1003 in AA airline and the ticket price is 100.

USER: You can proceed with booking.

ASSISTANT: Your ticket is booked.

USER: Thanks for the help.

ASSISTANT: Thanks for choosing us.