You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Richard Scott here.

ASSISTANT: How can I aid you at this moment?

USER: Can you please help me in booking the ticket from HOU to OAK? As I'm planning to go for trekking at Oakland hills.

ASSISTANT: Sure, I am happy to help you in booking flight ticket. Could you please mention your preferable travel dates for booking flight ticket?

USER: Sure, my travel dates are 02/18 and 02/20.

ASSISTANT: Please hold on a moment, I will check flight availability in this route.

USER: Sure, I'll wait for your response.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 200 is provided by Frontier airlines. Shall I proceed with this?

USER: That's fine, please proceed for booking.

ASSISTANT: I have confirmed your flight ticket, flight number is 1009.

USER: Thank you so much for your help.

ASSISTANT: You are welcome Richard Scott.