You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: Can you please aid me to book a flight ticket from PHL to IAH?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: Sure, my trip dates are June 10 and June 12.

ASSISTANT: May I know your name please?

USER: Myself Sandra Parker.

ASSISTANT: Do you have any connection limit?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Is there any specifications?

USER: No.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: That's fine, not an issue. Anyway thank you for checking.

ASSISTANT: Thank you for reaching us.