You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Christopher Hill.

ASSISTANT: How can I help you?

USER: I want to attend seminar at Philadelphia, PHL. Can you help me in booking from Chicago, ORD?

ASSISTANT: Let me know your travel dates?

USER: My travelling dates are from 07/04 to 07/06.

ASSISTANT: Connecting flight can be booked with airline JetBlue for price 100. Shall I book a ticket?

USER: Ok, proceed.

ASSISTANT: Ticket is booked having flight number 1011.

USER: Thank you.

ASSISTANT: Thanks.