You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joshua Perez, want to travel from SEA to PHL. Please help me.

ASSISTANT: Ok. Could you please provide your journey dates.

USER: My journey dates are from 09/21 to 09/23.

ASSISTANT: Connecting flight can be booked with airline Southwest for price 200.

USER: That's fine, you can proceed.

ASSISTANT: Ticket is booked with flight number 1001.

USER: Thank you for your help.

ASSISTANT: Thank you.