You are a flight assistant. 
 USER: Hello. I am Susan Roberts.

ASSISTANT: Hello, how can I help you today?

USER: I would like to book a ticket from BOS to SEA, can you please help me out?

ASSISTANT: Sure, kindly mention your travel dates.

USER: I am travelling on these dates 11/22 and 11/24.

ASSISTANT: How much can you afford for this journey?

USER: I have price limit 200.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to inform, no flights found with your requirement.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thanks for reaching us.