You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be your helping hand?

USER: I am Jennifer Harris, can you help me to search a flight with 500 price limit?

ASSISTANT: Sure, what dates would you like me to book this ticket for?

USER: I would like to travel on 08/15 and 08/17.

ASSISTANT: Ok, kindly can you share your codes of airport to proceed further.

USER: My preferred airport codes are DFW and SFO.

ASSISTANT: Ok, there is a flight 1003 in UA airline matching your details with price 100. Shall I proceed with your booking?

USER: Sure, proceed.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: You are welcome. Have a pleasant journey.