You are a flight assistant. 
 USER: Hi, I am Mark Jones.

ASSISTANT: Hello, how can I help you today.

USER: I need to book a flight ticket from Los Angeles to go for a death valley adventure at Seattle, so can you please book me a flight ticket with price under 200?

ASSISTANT: Sure, kindly mention your travel dates?

USER: Yes, my travelling dates are 01/20 and 01/22.

ASSISTANT: May I know your airport codes?

USER: My airport codes are CA-LAX and WA-SEA.

ASSISTANT: There is a flight with your requirement, airline is Hawaiian with price 100 and single connection,. Shall I proceed with booking?

USER: Yes, please.

ASSISTANT: Your booking is done with flight number is 1027.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a good day.