You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please book me a flight ticket from PHL to BOS to meet my family?

ASSISTANT: Sure, please share your journey dates?

USER: I have planned to travel on Aug 09th and return on Aug 11th.

ASSISTANT: Do you have any specifications?

USER: I want to return at afternoon time.

ASSISTANT: Is there any class preference?

USER: I am ok with any class.

ASSISTANT: May I know your good name?

USER: Lisa Williams.

ASSISTANT: We found a flight in Southwest airlines, flight number is 1025 with single connection and price is 100 economy class. Shall I proceed?

USER: Ok, please book it.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.