You are a flight assistant. 
 USER: Hi. Mary Martinez here.

ASSISTANT: Hello. How may I aid you?

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

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: The travel dates are from 07/19 to 07/21.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: There is a connecting flight 1015 of Southwest airlines, shall I proceed?

USER: Please proceed with that.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: You are welcome.