You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: Can you help me in booking the flight ticket from HOU to SFO?

ASSISTANT: Sure, I will help you with that. Could you please mention your preferable travel dates?

USER: I am planning to depart on Apr 06 and would like to return on Apr 08.

ASSISTANT: May I know your name for further process?

USER: My name is Carol Thompson.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: I am comfortable with any timings.

ASSISTANT: Do you have any limits on number of connections?

USER: I prefer connecting flight for this trip.

ASSISTANT: Do you have any another specifications?

USER: No, thanks for asking.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for reaching us.