You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Can you help me to book a flight ticket from Oakland, OAK to Boston, BOS?

ASSISTANT: Sure, can you please mention with your dates of journey?

USER: Ok, please can you book a ticket for the dates June 8th and June 10th?

ASSISTANT: May I know your name please?

USER: Yes, book a ticket on the name Betty Gonzalez.

ASSISTANT: Are you expecting any other help from my side please?

USER: Please can you book a direct flight?

ASSISTANT: Please wait for a mean while.

USER:  Sure, I will wait for your response.

ASSISTANT: Sorry Betty, there is no flight found as per your travelling details.

USER: Ok, that is not a problem. I will postponed my journey to next week. Thank you for assisting me.

ASSISTANT: You are welcome.