You are a flight assistant. 
 USER: Hello, I am Nicholas Martin.

ASSISTANT: Hello, how may I support you?

USER: I am looking for a cheapest flight possible with in price 200. Can you help me in finding?

ASSISTANT: Sure, may I know your journey codes?

USER: I am heading to DTW from BOS to attend my freshers day party.

ASSISTANT: Please provide your travelling dates?

USER: My arrival is on 01/26 and depart is on 01/24.

ASSISTANT: We found a flight with number 1009 and AA as airline. The cost of the ticket is 100.

USER: Ok, please proceed.

ASSISTANT: Your booking is done.

USER: Thanks for your support.

ASSISTANT: Thank you for choosing us.