You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Alexander Carter.

ASSISTANT: How may I help you?

USER: I am planning to travel from IAD to LAX, can you please help me to book?

ASSISTANT: Sure, provide me your travel dates?

USER: My trip dates are 06/07 and 06/09. My connection limit should be 0.

ASSISTANT: UA airline is matching you with 1015 flight number, can I proceed for booking ?

USER: Ok, book.

ASSISTANT: Your booking is confirmed. Thank you have nice journey.

USER: Thank you for booking.