You are a flight assistant. 
 USER: Hi, my name is Steven Brown.

ASSISTANT: Hello, how may I render you today?

USER: Will you help me in booking a flight on the dates of 11/17 to 11/19?

ASSISTANT: Sure, may I know your boarding and landing airports with codes?

USER: My journey codes are DFW - AOK. My destination code is OAK.

ASSISTANT: Ok, could you please mention your price limit?

USER: My price limit is 1000.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: There is a connecting flight in Southwest airline with a fare of 200.

USER: Ok, confirm with it.

ASSISTANT: Your booking is done with flight number 1011.

USER: Thanks for your help.

ASSISTANT: thank you for choosing us.