You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know your name?

USER: I am Carol Miller.

ASSISTANT: How can I help you Carol Miller?

USER: I am heading from Denver to participate in grand canyon adventure at Philadelphia. So, can you help me book a flight within the price of 500 on 11/17?

ASSISTANT: Ok. May I know when you would like to return?

USER: I need to return on 11/19.

ASSISTANT: Do you need a connection in between?

USER: Yes, I need one connection.

ASSISTANT: Can you provide me your airport codes?

USER: My journey is from DEN to PHL.

ASSISTANT: Thank you. We found a flight matching your credentials.

USER: Please mention flight details.

ASSISTANT: It is Spirit airline with flight number 1011 and the fare is 100. Shall I proceed with this booking?

USER: You can proceed with this booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.