You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I would like to travel from SFO to LAX as a business trip. Can you help me to book a ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: My journey dates are 10/21 and 10/23.

ASSISTANT: How much you can afford for this ticket?

USER: Price should not cross 1000.

ASSISTANT: Can you please provide me your name?

USER: Susan Smith here.

ASSISTANT: We found a flight on your details with airline UA, flight number: 1008. Shall I book this ticket?

USER: Go ahead.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you so much.