You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Myself Ryan Collins, I need you to book a flight ticket from SFO to HOU.

ASSISTANT: Sure, may I know your trip dates?

USER: November 6 and 8 are my planned travel dates.

ASSISTANT: Are you having any class to travel?

USER: I am good with any class.

ASSISTANT: May I know your connection limit?

USER: I need a break in my journey.

ASSISTANT: Is there any other preferences?

USER:  I wish to depart in the evening.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will be here for your response.

ASSISTANT: Sorry, no flights are available as per your requirements.

USER: That's ok. Thanks for your efforts.

ASSISTANT: Thank you for reaching us.