U: I am looking for information in Cambridge.

S: Okay! What would you like to know?

U: I need a train to bishops stortford on Tuesday that can get me there by 19:30.

S: TR2153 arrives closest to that, it can get you there by 18:07, shall I book you?

U: Can I get the price for that?

S: yes that will be 55pounds can I get anything else ?

U: When does the train leave Bishops Stortford, please?

S: That train would leave at 17:29.

U: Okay, thanks. Now could you also help me find a cheap persian restaurant in the centre?

S: There are no such options available. Shall we try a different food type perhaps?

U: How about asian oriental?

S: There are two options, I recommend the dojo noodle bar, shall I book you?

U: Do you know if it has a good portion of foods?
S: More customers of the restaurant Dojo Noodle Bar find that the portion sizes of their food are more generous than not, although some may disagree.