You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: I am planning to have a holiday vacation at TX-DFW, can you please help me with booking?

ASSISTANT: Sure.

USER: I would like travel on 01/16 to 01/18.

ASSISTANT: May I know the airport codes?

USER: My source code is at IL-ORD.

ASSISTANT: We found a flight from Jet Blue airline with flight number 1000. Price 100 with one connection.

USER: You can proceed with booking.

ASSISTANT: May I know your name?

USER: I am Elizabeth Williams.