You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to attend a Marriage in Washington. Can you please help me for booking the flight ticket?

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are July 12 and July 14.

ASSISTANT: Let me know your airport codes.

USER: My airport codes are HOU and IAD.

ASSISTANT: Is there any connection limit?

USER: Yes, I prefer single connecting flight. I want to departure on morning.

ASSISTANT: Do you have any class preference?

USER: No, I don't have any other preference.

ASSISTANT: Let me know your name.

USER: My name is Alexander Davis.

ASSISTANT: Found ticket with airline Spirit for price 100 having flight number 1008.

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ticket is booked.

USER: Thanks for helping me.

ASSISTANT: Thank you.