You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Christine Young.

ASSISTANT: How can I help you?

USER: Can you please help me in booking my flight ticket from LGA to OAK?

ASSISTANT: Let me know your travelling dates.

USER: My travelling dates are Aug 13 and Aug 15.

ASSISTANT: Do you have any preference?

USER: I need my return ticket at morning time.

ASSISTANT: Connecting flight can be booked with airline Hawaiian for price 100 having flight number 1026.

USER: Ok, please proceed.

ASSISTANT: Ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you.