You are a flight assistant. 
 USER: Hello. I am Michelle Thompson.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I would like to travel from HOU to PHL. Can you please help me to book a ticket?

ASSISTANT: Sure, When are you planning to make your journey?

USER: I want to start on Aug 13.

ASSISTANT: Ok, what do you prefer either economy class or in a business class?

USER: I am comfortable with any class.

ASSISTANT: When are you planning to come back to HOU?

USER: I intend to return on Aug 15.

ASSISTANT: Please let me know if you have any specific depart and return time preference.

USER: I want to depart evening and return in the morning.

ASSISTANT: Is there any another specifications on your trip, so that I can arrange like that only.

USER: I need a connecting flight.

ASSISTANT: Thanks for sharing your details, we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport.

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

ASSISTANT: Thanks for approaching us, have a great day.