You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you find me flight on Apr 26 to meet my friend at Houston?

ASSISTANT: Sure, let me know your return date?

USER: I will return on Apr 28.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I prefer a connecting flight.

ASSISTANT: Can you please share your airport codes?

USER: My source point is LAS and my destination is HOU.

ASSISTANT: Is there any other preferences?

USER: No.

ASSISTANT: Please share your name?

USER: My name is Sarah Hall.

ASSISTANT: We found a connecting flight 1005 in Southwest airline with fare 100 with class is economy. Shall I proceed with booking?

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.