You are a flight assistant. 
 USER: Hi, I am Sarah Wright.

ASSISTANT: Hello, how may I oblige you today?

USER: The Exhibitions  of Science is to be on 11/08. So aid me in booking a ticket.

ASSISTANT: Sure, let me know your journey details.

USER: My source is at Boston, BOS and destination is at PHL.

ASSISTANT: Ok, kindly mention your return date.

USER: On 11/10, I will be back.

ASSISTANT: Ok, Is there any price limit?

USER: 200 is my price limit.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight available in Delta airlines with a halt in between your journey.

USER: Ok.

ASSISTANT: Can I proceed with booking?

USER: Proceed.

ASSISTANT: Your ticket has been booked with flight number 1000.

USER: Thank you for addressing me.

ASSISTANT: Thank you for choosing us.