You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Dennis Young. I want to book a ticket from OAK to IAD, can you help me?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates to book a flight ticket?

USER: My travel dates are 06/21 and 06/23.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: Ok, wait for some time I will check the availability of flights on your details and get back to you.

USER: Sure.

ASSISTANT: We found UA airline with connecting flight and number 1018 fare of 100, Shall I proceed for booking?

USER: You can book it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thanks for approaching us.