You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Brian Hall here. I'm planning to visit Washington, please book a ticket from OAK to IAD?

ASSISTANT: Sure, can you please let me know your journey dates?

USER: Sure, my planned departure and return travel dates are 15th and 17th of January.

ASSISTANT: Do you prefer any class in your journey?

USER: No, I'm ok with any class.

ASSISTANT: Can you please let me know your connection limit?

USER: Yes, it is 1.

ASSISTANT: Is there any more specifications do you need?

USER: I want to depart on the morning.

ASSISTANT: Ok, please be on hold.

USER: Sure, take your own time.

ASSISTANT: We found a Hawaiian airlines, flight number 1022, and the fare of 100 in economy class, and your departure time in the morning. Shall I proceed?

USER: That's ok, please proceed for booking.

ASSISTANT: Your ticket has been reserved with connecting flight.

USER: Thank you so much for your help.

ASSISTANT: Thank you for choosing us.