You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I would like to attend my friend's wedding at Philadelphia. Please help me in booking a ticket.

ASSISTANT: Sure, could you please mention your dates of journey?

USER: My trip dates are from 09/26 to 09/28.

ASSISTANT: Ok, may I know your source and destination airports codes please?

USER: My source and destination airport codes are SEA and PHL.

ASSISTANT: Ok, may I know your name please for documentation purpose?

USER: My name is Patricia Williams.

ASSISTANT: Williams, I found a ticket with connections limit is 1 of cost 300 has found, shall I book this ticket?

USER: Please check the price limit within 200.

ASSISTANT: Sorry Williams, there is no flights found as per your price limit.

USER: That's fine. Thank you for your information.

ASSISTANT: Thank you for reaching us.