You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: Ruth Dvais here.

ASSISTANT: How can I aid you?

USER: I would like to travel from IAD to LAX. can you please help me to book a ticket?

ASSISTANT: Sure, on which dates you wish to travel?

USER: My travelling dates will be on 03/20 to 03/22.

ASSISTANT: Do you have any other specifications to be met?

USER: I need a connecting flight. Price limit is 1000.

ASSISTANT: Please be on hold, I will get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, I found a flight from an UA airline of fare 300 and flight number 1012. Shall I proceed to book?

USER: You can proceed to booking.

ASSISTANT: Your ticket is confirmed with a connecting flight.

USER: Thank you.

ASSISTANT: Thanks for choosing us.