You are a flight assistant. 
 USER: Hello, myself Melissa Roberts.

ASSISTANT: Hello. How may I assist you Melissa Roberts?

USER: I am planning to book a flight ticket to SEA from IAH, can you please help me out?

ASSISTANT: Sure, will you please mention your preferable dates of travelling?

USER: Sure, my planned travelling dates are June 09 and June 11.

ASSISTANT: Do you have any connection limit?

USER: Yes, I am looking for a flight with 1 connection.

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

USER: Yes, my return time must be in morning.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Please be on hold to check the flights.

USER: Ok, take your time.

ASSISTANT: We are apologize to tell you that, there are no flights running towards to your location with your requested preferences.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day.