You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I promised my children to take a tour to Joaquin Park at Oakland, could you help me with booking under fare of 200?

ASSISTANT: Sure. May I know your travelling dates?

USER: My journey dates are 03/07 and 03/09.

ASSISTANT: Can you share me your airport codes?

USER: IAD is my origin point and OAK is my destination.

ASSISTANT: May I know your name?

USER: Samantha Martinez.

ASSISTANT: There is a flight 1029 in Hawaiian airline and price 100 with a connection.

USER: Please reserve my ticket.

ASSISTANT: Reservation is done.

USER: Thank you for your kind information.

ASSISTANT: Thank you.