You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,.

USER: I am Benjamin Walker.

ASSISTANT: How can I aid you?

USER: I want to book a flight ticket from DFW to PHL to meet my friend, can you please help me to book a flight ticket?

ASSISTANT: Sure, may I know your journey dates?

USER: My journey dates are 07/17 to 07/19.

ASSISTANT: Do you have any other preferences to be met?

USER: I need a halt with fare 500.

ASSISTANT: Thanks for your details, there is a Spirit 1013 airline with fare of 100 and a halt in between the journey. Shall I make it confirm?

USER: Yes, you can.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thanks for your approach.