You are a flight assistant. 
 USER: Hello,. I am Michael Hernandez.

ASSISTANT: Hello, How can I assist you the day?

USER: I am fascinated by the rich history of Los Angeles, I am planning to visit one of the historic places. So, can you please book a ticket for me with price below 5000?

ASSISTANT: Sure, I am here to serve you.

USER: Thank you.

ASSISTANT: May I know your travel dates as planned?

USER: I want to travel on 12/04, and need to catch return flight on 12/06.

ASSISTANT: May I know your airport codes?

USER: Source is from IAD and destination is to LAX.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: We found a 1000 Frontier airline, with price 100, matching your needs.

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket has been booked with a connecting flight.

USER: Thanks for your excellent service.

ASSISTANT: Thank you for reaching us.