You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Richard Jones.

ASSISTANT: How can I help you Richard?

USER: I want to book a flight ticket to attend a flower festival at TX-IAH from PA-PHL.

ASSISTANT: Please let me know your travel dates.

USER: 04/02 and 04/04 are my travelling dates.

ASSISTANT: Wait for a while please.

USER: Ok.

ASSISTANT: Flight 1021 of Hawaiian airlines is available for you, shall I book?

USER: You can proceed it for booking.

ASSISTANT: Your booking is done with price 100.

USER: Thank you.

ASSISTANT: Thank you for approaching us.