You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: I am Jennifer Wright. As I am a doctor I need to attend a emergency surgery so, could you please help me in finding a direct flight?

ASSISTANT: Sure, please provide me your source and destination codes.

USER: Ok, I want to board from Boston, MA-BOS to Seattle, WA-SEA.

ASSISTANT: Could you please provide me your planned travel dates?

USER: 01/21 and 01/23 are my travelling dates.

ASSISTANT: May I know your price limit?

USER: I can afford up to 5000 for a flight ticket.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.