You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you help me to book flight ticket from PHL to ATL?

ASSISTANT: Let me know your travel dates?

USER: My journey dates are Aug 18 and Aug 20.

ASSISTANT: Do you have any preference?

USER: I need a connecting a flight.

ASSISTANT: Let me know your departure and arrival timings.

USER: I do not have any particular timings.

ASSISTANT: Can I know your name?

USER: I am Justin Evans.

ASSISTANT: Found ticket with American airline for price 100.

USER: Please proceed for this.

ASSISTANT: Ticket is booked in an economy class having flight number 1004.

USER: Thank you.

ASSISTANT: Thank you.