You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I aid you?

USER: Could you please check the flight availability in economy class?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are Jan 22 and Jan 24.

ASSISTANT: Can I have your airport codes?

USER: I am heading to IAD from CLT.

ASSISTANT: Do you have any preferences?

USER: I need a single connecting flight.

ASSISTANT: May I know your name?

USER: My name is Larry Allen.

ASSISTANT: You have a connecting flight 1013 in JetBlue airline and price 100, Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.