You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me in booking my flight ticket from SFO to PHL?

ASSISTANT: Can  I know your travel dates?

USER: My planned travel dates are Nov 18-20.

ASSISTANT: Do you have any preference?

USER: I need a connecting flight. I am looking for a normal cost airline in economy class.

ASSISTANT: Let me know your name.

USER: My name is Joshua Lopez.

ASSISTANT: Found ticket with airline Hawaiian for price 100 having flight number 1023.

USER: Ok, please proceed to book.

ASSISTANT: Ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you.