You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Amanda Brown.

ASSISTANT: How can I assist you today?

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

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

USER: I would like to depart on Sept 17th and return on Sept 19th.

ASSISTANT: Do you have any specifications?

USER: Make sure that my depart time is morning.

ASSISTANT: Do you have any other preferences?

USER: I need a connecting flight.

ASSISTANT: Please give me a moment,.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there is no flights found under your preferable details.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Welcome, have a great day.