You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me to book a flight ticket in any normal cost airline?

ASSISTANT: Sure, help me with the airport codes?

USER: My airport codes are MCO and IAD.

ASSISTANT: When would you like to travel?

USER: I plan to travel in the month of Dec from 8th to 10th.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: May I know your name please?

USER: Kathleen Perez here.

ASSISTANT: Thank you for your details,we did not find any flights running in your preferred dates.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.