You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need to travel Los Angeles, can you please reserve flight ticket from IAH and LAX?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are Nov,15 and Nov,17.

ASSISTANT: On which name should I reserve the flight ticket?

USER: Myself Steven Lewis.

ASSISTANT: Do you have any connection limit?

USER: I need single connection limit.

ASSISTANT: Do you have any other specifications?

USER: Make sure my depart time should be in the afternoon.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: That's ok, I will choose any other alternate source to reach my destination. Thank you.

ASSISTANT: Thank you for reaching us.