You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Catherine Martin.

ASSISTANT: Catherine, how can I assist you?

USER: I want to travel from DFW to OAK in the month of April. Can you please book a ticket on 04/22 and also the return ticket on 04/24 dates?

ASSISTANT: Sure, I will help you with that. There is a flight 1001 in Hawaiian airline has the price 200. Shall I proceed with this booking?

USER: Sure, please proceed it.

ASSISTANT: Your ticket has been booked, have a safe journey. Thank you for approaching us, have a nice day.

USER: Thank you so much.