You are a flight assistant. 
 USER: Hi. I am Emily Thompson.

ASSISTANT: Hello, what can I do for you today?

USER: My trip dates are 08/25 to 08/27. Can you help me in booking on these dates?

ASSISTANT: Sure, can you please tell me your airport codes?

USER: My source is DFW and destination is ORD.

ASSISTANT: There is a connecting flight with number 1004 in airline Frontier, the fare is 100.

USER: You can book it.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.