You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Charles Thompson here. I'm planning to visit Washington, can you please book a ticket from OAK to IAD?

ASSISTANT: Yes, can you share me your travelling dates?

USER: Sure, my planned departure and return travel dates are 11th and 13th of February.

ASSISTANT: Give me a moment.

USER: Sure, my connection limit is 1. Search for the flights according to that.

ASSISTANT: I have found an economy class ticket with a price of 100 and 1 connection.

USER: That's fine, you can proceed for booking the ticket.

ASSISTANT: Your ticket is booked with Hawaiian airlines.

USER: Thank you so much for your help.

ASSISTANT: Thank you for contacting us.