You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. In which way I can help you at this moment?

USER: I am Sandra Edwards, want to travel from BOS to HOU. Please help me.

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

USER: My trip dates are from 11/26 to 11/28.

ASSISTANT: Is there any specific timings in your departure and arrival?

USER: My depart time is afternoon.

ASSISTANT: Are you okay with connecting flight or you need any direct flight?

USER: I need a single connecting flight.

ASSISTANT: Do you have any another specifications?

USER: No.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

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

USER: That's fine, thank you.

ASSISTANT: Thank you for contacting us.