You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates?

USER: My travelling dates are Apr 23 and Apr 25.

ASSISTANT: Let me know your airport codes?

USER: My source is HOU and destination is IAD.

ASSISTANT: May I know your name?

USER: My name is Brenda Clark.

ASSISTANT: Do you have any other specifications?

USER: I need a single connecting flight.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found Southwest airlines with connecting flight and number 1003 fare of 100 with business class, Shall I proceed for booking?

USER: Yes, proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for approaching us.