You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: John Parker here.

ASSISTANT: How can I help you?

USER: I would like to book a ticket from PHL to EWR, can you please help me with that?

ASSISTANT: Please provide your travel dates.

USER: The travel dates are from 10/27 to 10/29.

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

USER: Please proceed.

ASSISTANT: Ticket is booked with flight number 1003.

USER: Thank you.

ASSISTANT: Thank you.