You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Rebecca Gonzalez here. Please help me out in booking the ticket from OAK to BOS.

ASSISTANT: Sure, can you please provide your travel dates?

USER: My trip dates will be 07/28 to 07/30.

ASSISTANT: Do you have any preferences?

USER: My depart time must be in the morning.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: We found an American airline with flight 1019 having a fare 100 with stopover. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your booking has been done.

USER: Thank you.

ASSISTANT: Thank you.