You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I amend you?

USER: Could you please book a ticket from Philadelphia, PHL to TX-DFW?

ASSISTANT: Sure, can you help me with your journey dates?

USER: 05/02 and 05/04 are my travel dates.

ASSISTANT: Do you need any other specifications?

USER: I need a connecting flight in between my journey. I can afford upto 5000 for a ticket.

ASSISTANT: There is a AA airline 1005 flight with single connection and fare 200. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: May I know your name?

USER: My name is Deborah Campbell.

ASSISTANT: Your ticket has been done.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.