You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Joshua Evans.

ASSISTANT: How may I help you?

USER: I want to fly from SEA to DTW. Can you please help me to book a single connection of flight?

ASSISTANT: Please could you provide your travel dates.

USER: My travelling dates are 07/19 to 07/21.

ASSISTANT: Please let me know price limit.

USER: My price limit is 1000.

ASSISTANT: Ticket is found with airline Southwest having price 900.

USER: Please proceed to book.

ASSISTANT: Ticket is booked with flight number 1003.

USER: Thank you.

ASSISTANT: Thanks.