You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Michael Mitchell.

ASSISTANT: How may I serve you at this moment?

USER: I am planning to visit Museum of Arts at Philadelphia, could you please help me with booking a flight ticket from IAH to PHL?

ASSISTANT: Sure, please share your travelling dates.

USER: I would like to depart on Nov 18th and return on Nov 20th.

ASSISTANT: Ok, may I know your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Ok, provide your class preference.

USER: I am comfortable with any class.

ASSISTANT: Ok, do you have any other requirements?

USER: Make sure that my return time must be afternoon.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure, take your time.

ASSISTANT: We found a Southwest airline with fare of 200 and a stop over in between the journey.

USER: Please confirm the booking.

ASSISTANT: Your ticket has been confirmed with flight number 1014 and return in the afternoon.

USER: I really appreciate your help, thank you for your service.