You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Helen Lewis.

ASSISTANT: Helen, how can I help you?

USER: Can you help me in booking on 01/19 to 01/21, as there is a interview at New York?

ASSISTANT: Sure, I am happy to do that for you. Can you please tell us your airport codes?

USER: My source is PHL and destination is EWR.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: There is a flight-1002 available with Southwest airlines and the ticket fare is 200 only. Is it ok for you?

USER: You can book it.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you.

ASSISTANT: You are welcome and thank you for contacting us.