You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I serve you?

USER: I want to travel from DCA to PHL, can you please book the flight ticket?

ASSISTANT: Sure, We are here to help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: My trip is in Sept from 13th to 15th.

ASSISTANT: Do you need any break?

USER: Yes.

ASSISTANT: Is there any other specifications?

USER: My depart time should be in afternoon.

ASSISTANT: Please wait a while.

USER: Sure, take your time.

ASSISTANT: May I know your name?

USER: I am Andrew Nelson.

ASSISTANT: We found a connecting flight with an Spirit airlines, flight number:1005.

USER: Please proceed if depart time is in afternoon.

ASSISTANT: Your flight ticket has been reserved with an economy class and the depart time  will be afternoon.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.