You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I best aid you today?

USER: I am John Clark. I am planning to meet my cousin in Seattle, so please help me in booking a flight ticket.

ASSISTANT: Sure, we are here to help you. May I know your travelling dates?

USER: I want to fly on 05/28 and return on 05/30.

ASSISTANT: Can you please let me know your airport codes?

USER: My airport codes are MA - BOS, WA - SEA.

ASSISTANT: Do you need any other specifications?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Thanks for your details, there is a flight found with Frontier airline of flight number 1018 and fare is 100. Shall I proceed for booking?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a nice journey.