You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Ryan Martin, can you help me to book a flight ticket from BOS to OAK?

ASSISTANT: Sure, please share your travelling dates.

USER: Ok, please book a flight ticket for the dates June 17 and June 19th respectively.

ASSISTANT: Do you need any connection in between the journey?

USER: Ok, please book a ticket for the flight which has 1 connection limit.

ASSISTANT: Please share your other preferences.

USER: Ok, please check if the flight arrival timing is during evening.

ASSISTANT: Wait a minute please.

USER: Ok, I will wait.

ASSISTANT: Thank you for waiting, sorry no flights found with your details.

USER: Ok, not a problem. Thank you for the information.

ASSISTANT: Thank you for reaching us, have a good day.