You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to attend my brother's wedding. Can you help me in booking?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates to book a flight ticket?

USER: Sure, my planned travel dates are 03/09 and 03/11.

ASSISTANT: May I know your name?

USER: Pamela Martin here.

ASSISTANT: Do you have any other specifications?

USER: I want a flight with single connection.

ASSISTANT: Let me know your source point and destination point?

USER: My planned travel airport codes are PHL to IAD.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: No issues, thank you for the information.

ASSISTANT: Thanks for approaching us.