You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Sandra Garcia here. DO you have any flight from OAK to SEA?

ASSISTANT: Sure, I will check with that. Please share your travelling dates.

USER: My trip dates are 06/05 and 06/07.

ASSISTANT: Do you have any requirements?

USER: Price should be 500.

ASSISTANT: There is a flight-1000 is available for you, shall I proceed with price 100?

USER: You can proceed.

ASSISTANT: Ok, your booking is done.

USER: Thanks for your help.

ASSISTANT: You are welcome, have a nice journey.