You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Jack Perez, can you help me to book a flight from SFO to OAK?

ASSISTANT: Fine, may I know your trip dates?

USER: My travelling dates are 03/21 and 03/23.

ASSISTANT: Please be on hold.

USER: Ok.

ASSISTANT: There is a flight-1029 with price 100, should I proceed?

USER: Proceed with booking.

ASSISTANT: Ok, booking is done on Delta airlines.

USER: Thank you.

ASSISTANT: Thanks for choosing us.